4957656 has 64 divisors (see below), whose sum is σ = 13737600. Its totient is φ = 1478400.

The previous prime is 4957639. The next prime is 4957663. The reversal of 4957656 is 6567594.

It is a d-powerful number, because it can be written as 4⁶ + 9⁷ + 5⁵ + 7⁶ + 6² + 5⁵ + 6⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23391 + ... + 23601.

It is an arithmetic number, because the mean of its divisors is an integer number (214650).

Almost surely, 2^4957656 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 4957656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6868800).

4957656 is an abundant number, since it is smaller than the sum of its proper divisors (8779944).

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

4957656 is a wasteful number, since it uses less digits than its factorization.

4957656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 316 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 4957656 is about 2226.5794394092. The cubic root of 4957656 is about 170.5135107384.

The spelling of 4957656 in words is "four million, nine hundred fifty-seven thousand, six hundred fifty-six".