38455656 has 32 divisors (see below), whose sum is σ = 96296640. Its totient is φ = 12797568.

The previous prime is 38455619. The next prime is 38455657. The reversal of 38455656 is 65655483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38455657) 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 7 ways as a sum of consecutive naturals, for example, 22380 + ... + 24036.

It is an arithmetic number, because the mean of its divisors is an integer number (3009270).

Almost surely, 2^38455656 is an apocalyptic number.

It is an amenable number.

38455656 is an abundant number, since it is smaller than the sum of its proper divisors (57840984).

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

38455656 is a wasteful number, since it uses less digits than its factorization.

38455656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633 (or 2629 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 38455656 is about 6201.2624521141. The cubic root of 38455656 is about 337.5359808004.

The spelling of 38455656 in words is "thirty-eight million, four hundred fifty-five thousand, six hundred fifty-six".