239439964 has 12 divisors (see below), whose sum is σ = 419212864. Its totient is φ = 119664864.

The previous prime is 239439931. The next prime is 239439971. The reversal of 239439964 is 469934932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084 + ... + 22099.

Almost surely, 2^239439964 is an apocalyptic number.

It is an amenable number.

239439964 is a deficient number, since it is larger than the sum of its proper divisors (179772900).

239439964 is a wasteful number, since it uses less digits than its factorization.

239439964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27564 (or 27562 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 49.

The square root of 239439964 is about 15473.8477438548. The cubic root of 239439964 is about 620.9627463665.

The spelling of 239439964 in words is "two hundred thirty-nine million, four hundred thirty-nine thousand, nine hundred sixty-four".