38913357 has 16 divisors (see below), whose sum is σ = 62785152. Its totient is φ = 20928000.

The previous prime is 38913337. The next prime is 38913359. The reversal of 38913357 is 75331983.

It is not a de Polignac number, because 38913357 - 2⁶ = 38913293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38913359) 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, 54144 + ... + 54857.

It is an arithmetic number, because the mean of its divisors is an integer number (3924072).

Almost surely, 2^38913357 is an apocalyptic number.

It is an amenable number.

38913357 is a deficient number, since it is larger than the sum of its proper divisors (23871795).

38913357 is a wasteful number, since it uses less digits than its factorization.

38913357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109028.

The product of its digits is 68040, while the sum is 39.

The square root of 38913357 is about 6238.0571494657. The cubic root of 38913357 is about 338.8698258480.

The spelling of 38913357 in words is "thirty-eight million, nine hundred thirteen thousand, three hundred fifty-seven".