38956290 has 32 divisors (see below), whose sum is σ = 93661056. Its totient is φ = 10369920.

The previous prime is 38956277. The next prime is 38956303. The reversal of 38956290 is 9265983.

It is an interprime number because it is at equal distance from previous prime (38956277) and next prime (38956303).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28830 + ... + 30150.

It is an arithmetic number, because the mean of its divisors is an integer number (2926908).

Almost surely, 2^38956290 is an apocalyptic number.

38956290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38956290 is an abundant number, since it is smaller than the sum of its proper divisors (54704766).

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

38956290 is a wasteful number, since it uses less digits than its factorization.

38956290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 38956290 is about 6241.4974164859. The cubic root of 38956290 is about 338.9944047597.

The spelling of 38956290 in words is "thirty-eight million, nine hundred fifty-six thousand, two hundred ninety".