3051216 has 80 divisors (see below), whose sum is σ = 10019200. Its totient is φ = 870912.

The previous prime is 3051173. The next prime is 3051227. The reversal of 3051216 is 6121503.

3051216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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, 2520 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (125240).

Almost surely, 2^3051216 is an apocalyptic number.

3051216 is a gapful number since it is divisible by the number (36) 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 3051216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5009600).

3051216 is an abundant number, since it is smaller than the sum of its proper divisors (6967984).

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

3051216 is a wasteful number, since it uses less digits than its factorization.

3051216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3051216 is about 1746.7730247516. The cubic root of 3051216 is about 145.0410664498.

Adding to 3051216 its reverse (6121503), we get a palindrome (9172719).

It can be divided in two parts, 305 and 1216, that added together give a square (1521 = 39²).

The spelling of 3051216 in words is "three million, fifty-one thousand, two hundred sixteen".