38910942 has 40 divisors (see below), whose sum is σ = 99647856. Its totient is φ = 11117088.

The previous prime is 38910941. The next prime is 38910947. The reversal of 38910942 is 24901983.

It is a super-2 number, since 2×38910942² = 3028122814654728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38910897 and 38910906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38910941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16023 + ... + 18290.

Almost surely, 2^38910942 is an apocalyptic number.

38910942 is an abundant number, since it is smaller than the sum of its proper divisors (60736914).

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

38910942 is a wasteful number, since it uses less digits than its factorization.

38910942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34334 (or 34325 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 38910942 is about 6237.8635765781. The cubic root of 38910942 is about 338.8628155082.

The spelling of 38910942 in words is "thirty-eight million, nine hundred ten thousand, nine hundred forty-two".