38871882 has 24 divisors (see below), whose sum is σ = 96254496. Its totient is φ = 11106216.

The previous prime is 38871881. The next prime is 38871883. The reversal of 38871882 is 28817883.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38871881) and next prime (38871883).

It is a super-2 number, since 2×38871882² = 3022046420443848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38871881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154128 + ... + 154379.

It is an arithmetic number, because the mean of its divisors is an integer number (4010604).

Almost surely, 2^38871882 is an apocalyptic number.

38871882 is an abundant number, since it is smaller than the sum of its proper divisors (57382614).

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

38871882 is a wasteful number, since it uses less digits than its factorization.

38871882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308522 (or 308519 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 38871882 is about 6234.7319108363. The cubic root of 38871882 is about 338.7493905755.

The spelling of 38871882 in words is "thirty-eight million, eight hundred seventy-one thousand, eight hundred eighty-two".