38782156 has 12 divisors (see below), whose sum is σ = 77564368. Its totient is φ = 16620912.

The previous prime is 38782129. The next prime is 38782169. The reversal of 38782156 is 65128783.

38782156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

38782156 is an admirable number.

It is a super-4 number, since 4×38782156⁴ (a number of 31 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692511 + ... + 692566.

Almost surely, 2^38782156 is an apocalyptic number.

It is an amenable number.

38782156 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.

38782156 is a wasteful number, since it uses less digits than its factorization.

38782156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385088 (or 1385086 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 38782156 is about 6227.5320954613. The cubic root of 38782156 is about 338.4885504136.

The spelling of 38782156 in words is "thirty-eight million, seven hundred eighty-two thousand, one hundred fifty-six".