38175990 has 32 divisors (see below), whose sum is σ = 92918016. Its totient is φ = 10036320.

The previous prime is 38175989. The next prime is 38176003. The reversal of 38175990 is 9957183.

It is a happy number.

It is a congruent number.

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, 6832 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (2903688).

Almost surely, 2^38175990 is an apocalyptic number.

38175990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38175990 is an abundant number, since it is smaller than the sum of its proper divisors (54742026).

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

38175990 is a wasteful number, since it uses less digits than its factorization.

38175990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18004.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 38175990 is about 6178.6721874526. The cubic root of 38175990 is about 336.7157538246.

The spelling of 38175990 in words is "thirty-eight million, one hundred seventy-five thousand, nine hundred ninety".