38965556 has 12 divisors (see below), whose sum is σ = 77931168. Its totient is φ = 16699512.

The previous prime is 38965529. The next prime is 38965559. The reversal of 38965556 is 65556983.

It is a happy number.

38965556 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38965556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38965559) 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, 695786 + ... + 695841.

It is an arithmetic number, because the mean of its divisors is an integer number (6494264).

Almost surely, 2^38965556 is an apocalyptic number.

It is an amenable number.

38965556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38965556 is a wasteful number, since it uses less digits than its factorization.

38965556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391638 (or 1391636 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 38965556 is about 6242.2396621725. The cubic root of 38965556 is about 339.0212799502.

The spelling of 38965556 in words is "thirty-eight million, nine hundred sixty-five thousand, five hundred fifty-six".