2971456 has 28 divisors (see below), whose sum is σ = 6103620. Its totient is φ = 1433600.

The previous prime is 2971399. The next prime is 2971459. The reversal of 2971456 is 6541792.

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 462400 = 1584^2 + 680^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056 + ... + 2656.

2^2971456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2971456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051810).

2971456 is an abundant number, since it is smaller than the sum of its proper divisors (3132164).

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

2971456 is a wasteful number, since it uses less digits than its factorization.

2971456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1632 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 2971456 is about 1723.7911706468. The cubic root of 2971456 is about 143.7660811247.

The spelling of 2971456 in words is "two million, nine hundred seventy-one thousand, four hundred fifty-six".