38956923 has 8 divisors (see below), whose sum is σ = 57714000. Its totient is φ = 25971264.

The previous prime is 38956921. The next prime is 38957021. The reversal of 38956923 is 32965983.

38956923 is a `hidden beast` number, since 3 + 89 + 569 + 2 + 3 = 666.

It is not a de Polignac number, because 38956923 - 2¹ = 38956921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38956921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721398 + ... + 721451.

It is an arithmetic number, because the mean of its divisors is an integer number (7214250).

Almost surely, 2^38956923 is an apocalyptic number.

38956923 is a deficient number, since it is larger than the sum of its proper divisors (18757077).

38956923 is a wasteful number, since it uses less digits than its factorization.

38956923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442858 (or 1442852 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 38956923 is about 6241.5481252651. The cubic root of 38956923 is about 338.9962408542.

The spelling of 38956923 in words is "thirty-eight million, nine hundred fifty-six thousand, nine hundred twenty-three".