393385072 has 20 divisors (see below), whose sum is σ = 769310136. Its totient is φ = 194853440.

The previous prime is 393385061. The next prime is 393385081. The reversal of 393385072 is 270583393.

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, 113179 + ... + 116602.

Almost surely, 2^393385072 is an apocalyptic number.

It is an amenable number.

393385072 is a deficient number, since it is larger than the sum of its proper divisors (375925064).

393385072 is a wasteful number, since it uses less digits than its factorization.

393385072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229896 (or 229890 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 393385072 is about 19833.9373801573. The cubic root of 393385072 is about 732.7221018846.

The spelling of 393385072 in words is "three hundred ninety-three million, three hundred eighty-five thousand, seventy-two".