393424012 has 6 divisors (see below), whose sum is σ = 688492028. Its totient is φ = 196712004.

The previous prime is 393423941. The next prime is 393424033. The reversal of 393424012 is 210424393.

It is a super-2 number, since 2×393424012² = 309564906436352288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49177998 + ... + 49178005.

Almost surely, 2^393424012 is an apocalyptic number.

It is an amenable number.

393424012 is a deficient number, since it is larger than the sum of its proper divisors (295068016).

393424012 is a wasteful number, since it uses less digits than its factorization.

393424012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98356007 (or 98356005 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 393424012 is about 19834.9190066408. The cubic root of 393424012 is about 732.7462777362.

The spelling of 393424012 in words is "three hundred ninety-three million, four hundred twenty-four thousand, twelve".