38490957 has 24 divisors (see below), whose sum is σ = 58094400. Its totient is φ = 25466400.

The previous prime is 38490953. The next prime is 38490967. The reversal of 38490957 is 75909483.

38490957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38490957 - 2² = 38490953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38490953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36169 + ... + 37217.

It is an arithmetic number, because the mean of its divisors is an integer number (2420600).

Almost surely, 2^38490957 is an apocalyptic number.

It is an amenable number.

38490957 is a deficient number, since it is larger than the sum of its proper divisors (19603443).

38490957 is a wasteful number, since it uses less digits than its factorization.

38490957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 38490957 is about 6204.1080744939. The cubic root of 38490957 is about 337.6392314428.

The spelling of 38490957 in words is "thirty-eight million, four hundred ninety thousand, nine hundred fifty-seven".