239679012 has 12 divisors (see below), whose sum is σ = 559251056. Its totient is φ = 79893000.

The previous prime is 239678993. The next prime is 239679019. The reversal of 239679012 is 210976932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×239679012² = 114892057586592288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (239679019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9986614 + ... + 9986637.

Almost surely, 2^239679012 is an apocalyptic number.

It is an amenable number.

239679012 is an abundant number, since it is smaller than the sum of its proper divisors (319572044).

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

239679012 is a wasteful number, since it uses less digits than its factorization.

239679012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973258 (or 19973256 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 239679012 is about 15481.5700754155. The cubic root of 239679012 is about 621.1693263772.

The spelling of 239679012 in words is "two hundred thirty-nine million, six hundred seventy-nine thousand, twelve".