38906975 has 12 divisors (see below), whose sum is σ = 48322056. Its totient is φ = 31075680.

The previous prime is 38906971. The next prime is 38906977. The reversal of 38906975 is 57960983.

It is not a de Polignac number, because 38906975 - 2² = 38906971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38906971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29684 + ... + 30966.

It is an arithmetic number, because the mean of its divisors is an integer number (4026838).

Almost surely, 2^38906975 is an apocalyptic number.

38906975 is a deficient number, since it is larger than the sum of its proper divisors (9415081).

38906975 is a wasteful number, since it uses less digits than its factorization.

38906975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 38906975 is about 6237.5455910157. The cubic root of 38906975 is about 338.8512993433.

The spelling of 38906975 in words is "thirty-eight million, nine hundred six thousand, nine hundred seventy-five".