38902113 has 12 divisors (see below), whose sum is σ = 58273488. Its totient is φ = 25934580.

The previous prime is 38902111. The next prime is 38902147. The reversal of 38902113 is 31120983.

It is not a de Polignac number, because 38902113 - 2¹ = 38902111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (38902111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79803 + ... + 80288.

It is an arithmetic number, because the mean of its divisors is an integer number (4856124).

Almost surely, 2^38902113 is an apocalyptic number.

It is an amenable number.

38902113 is a deficient number, since it is larger than the sum of its proper divisors (19371375).

38902113 is an equidigital number, since it uses as much as digits as its factorization.

38902113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160106 (or 160094 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 38902113 is about 6237.1558422089. The cubic root of 38902113 is about 338.8371839339.

The spelling of 38902113 in words is "thirty-eight million, nine hundred two thousand, one hundred thirteen".