38244990 has 48 divisors (see below), whose sum is σ = 106777872. Its totient is φ = 8741376.

The previous prime is 38244971. The next prime is 38245001. The reversal of 38244990 is 9944283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11539 + ... + 14478.

It is an arithmetic number, because the mean of its divisors is an integer number (2224539).

Almost surely, 2^38244990 is an apocalyptic number.

38244990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38244990 is an abundant number, since it is smaller than the sum of its proper divisors (68532882).

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

38244990 is a wasteful number, since it uses less digits than its factorization.

38244990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26041 (or 26034 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 38244990 is about 6184.2533906689. The cubic root of 38244990 is about 336.9184938502.

The spelling of 38244990 in words is "thirty-eight million, two hundred forty-four thousand, nine hundred ninety".