38497656 has 64 divisors (see below), whose sum is σ = 102725280. Its totient is φ = 11980800.

The previous prime is 38497621. The next prime is 38497661. The reversal of 38497656 is 65679483.

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, 63756 + ... + 64356.

Almost surely, 2^38497656 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 38497656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51362640).

38497656 is an abundant number, since it is smaller than the sum of its proper divisors (64227624).

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

38497656 is a wasteful number, since it uses less digits than its factorization.

38497656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 780 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 38497656 is about 6204.6479352176. The cubic root of 38497656 is about 337.6588179828.

The spelling of 38497656 in words is "thirty-eight million, four hundred ninety-seven thousand, six hundred fifty-six".