2973256 has 64 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 1182720.

The previous prime is 2973251. The next prime is 2973263. The reversal of 2973256 is 6523792.

It is a happy number.

2973256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁹ + 9² + 7⁷ + 3⁷ + 2²¹ + 5⁵ + 6⁶ .

Its product of digits (22680) is a multiple of the sum of its prime divisors (162).

It is not an unprimeable number, because it can be changed into a prime (2973251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26256 + ... + 26368.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^2973256 is an apocalyptic number.

2973256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2973256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

2973256 is an abundant number, since it is smaller than the sum of its proper divisors (3921464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2973256 is a wasteful number, since it uses less digits than its factorization.

2973256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 162 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 2973256 is about 1724.3131966090. The cubic root of 2973256 is about 143.7951046865.

It can be divided in two parts, 297 and 3256, that added together give a palindrome (3553).

The spelling of 2973256 in words is "two million, nine hundred seventy-three thousand, two hundred fifty-six".