39934975 has 18 divisors (see below), whose sum is σ = 51342944. Its totient is φ = 30781200.

The previous prime is 39934967. The next prime is 39934987. The reversal of 39934975 is 57943993.

It is not a de Polignac number, because 39934975 - 2³ = 39934967 is a prime.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 175812 + ... + 176038.

Almost surely, 2^39934975 is an apocalyptic number.

39934975 is a deficient number, since it is larger than the sum of its proper divisors (11407969).

39934975 is an equidigital number, since it uses as much as digits as its factorization.

39934975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 263 counting only the distinct ones).

The product of its digits is 918540, while the sum is 49.

The square root of 39934975 is about 6319.4125518121. The cubic root of 39934975 is about 341.8097701818.

It can be divided in two parts, 399349 and 75, that added together give a square (399424 = 632²).

The spelling of 39934975 in words is "thirty-nine million, nine hundred thirty-four thousand, nine hundred seventy-five".