38521953 has 16 divisors (see below), whose sum is σ = 57426240. Its totient is φ = 25520832.

The previous prime is 38521943. The next prime is 38521957. The reversal of 38521953 is 35912583.

It is not a de Polignac number, because 38521953 - 2⁸ = 38521697 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38521957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (3589140).

Almost surely, 2^38521953 is an apocalyptic number.

It is an amenable number.

38521953 is a deficient number, since it is larger than the sum of its proper divisors (18904287).

38521953 is a wasteful number, since it uses less digits than its factorization.

38521953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925 (or 8919 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 38521953 is about 6206.6055940425. The cubic root of 38521953 is about 337.7298385055.

The spelling of 38521953 in words is "thirty-eight million, five hundred twenty-one thousand, nine hundred fifty-three".