38240790 has 32 divisors (see below), whose sum is σ = 104889600. Its totient is φ = 8740704.

The previous prime is 38240777. The next prime is 38240809. The reversal of 38240790 is 9704283.

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, 90840 + ... + 91259.

It is an arithmetic number, because the mean of its divisors is an integer number (3277800).

Almost surely, 2^38240790 is an apocalyptic number.

38240790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38240790 is an abundant number, since it is smaller than the sum of its proper divisors (66648810).

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

38240790 is a wasteful number, since it uses less digits than its factorization.

38240790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182116.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 38240790 is about 6183.9138092312. The cubic root of 38240790 is about 336.9061601260.

The spelling of 38240790 in words is "thirty-eight million, two hundred forty thousand, seven hundred ninety".