38856870 has 48 divisors (see below), whose sum is σ = 108802512. Its totient is φ = 9564480.

The previous prime is 38856863. The next prime is 38856887. The reversal of 38856870 is 7865883.

38856870 = T₂₈₄ + T₂₈₅ + ... + T₆₃₄.

38856870 is a `hidden beast` number, since 3 + 88 + 568 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15436 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (2266719).

Almost surely, 2^38856870 is an apocalyptic number.

38856870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38856870 is an abundant number, since it is smaller than the sum of its proper divisors (69945642).

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

38856870 is a wasteful number, since it uses less digits than its factorization.

38856870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33237 (or 33234 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 38856870 is about 6233.5278935768. The cubic root of 38856870 is about 338.7057775544.

The spelling of 38856870 in words is "thirty-eight million, eight hundred fifty-six thousand, eight hundred seventy".