39923475 has 12 divisors (see below), whose sum is σ = 66006936. Its totient is φ = 21292480.

The previous prime is 39923473. The next prime is 39923483. The reversal of 39923475 is 57432993.

It is not a de Polignac number, because 39923475 - 2¹ = 39923473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39923473) 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, 266082 + ... + 266231.

It is an arithmetic number, because the mean of its divisors is an integer number (5500578).

Almost surely, 2^39923475 is an apocalyptic number.

39923475 is a deficient number, since it is larger than the sum of its proper divisors (26083461).

39923475 is a wasteful number, since it uses less digits than its factorization.

39923475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532326 (or 532321 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 39923475 is about 6318.5025915956. The cubic root of 39923475 is about 341.7769569253.

The spelling of 39923475 in words is "thirty-nine million, nine hundred twenty-three thousand, four hundred seventy-five".