39961475 has 18 divisors (see below), whose sum is σ = 52648044. Its totient is φ = 30083200.

The previous prime is 39961469. The next prime is 39961483. The reversal of 39961475 is 57416993.

It is not a de Polignac number, because 39961475 - 2¹⁴ = 39945091 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4460 + ... + 9990.

Almost surely, 2^39961475 is an apocalyptic number.

39961475 is a deficient number, since it is larger than the sum of its proper divisors (12686569).

39961475 is a wasteful number, since it uses less digits than its factorization.

39961475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575 (or 5553 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 39961475 is about 6321.5089179720. The cubic root of 39961475 is about 341.8853593622.

The spelling of 39961475 in words is "thirty-nine million, nine hundred sixty-one thousand, four hundred seventy-five".