38958975 has 108 divisors (see below), whose sum is σ = 81041688. Its totient is φ = 18532800.

The previous prime is 38958973. The next prime is 38959009. The reversal of 38958975 is 57985983.

It is not a de Polignac number, because 38958975 - 2¹ = 38958973 is a prime.

Its product of digits (2721600) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38958973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 735049 + ... + 735101.

It is an arithmetic number, because the mean of its divisors is an integer number (750386).

Almost surely, 2^38958975 is an apocalyptic number.

38958975 is an abundant number, since it is smaller than the sum of its proper divisors (42082713).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38958975 is a wasteful number, since it uses less digits than its factorization.

38958975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 72 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 38958975 is about 6241.7125053947. The cubic root of 38958975 is about 339.0021927965.

The spelling of 38958975 in words is "thirty-eight million, nine hundred fifty-eight thousand, nine hundred seventy-five".