393536072 has 32 divisors (see below), whose sum is σ = 794810880. Its totient is φ = 182138880.

The previous prime is 393536069. The next prime is 393536083. The reversal of 393536072 is 270635393.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28793 + ... + 40200.

It is an arithmetic number, because the mean of its divisors is an integer number (24837840).

Almost surely, 2^393536072 is an apocalyptic number.

It is an amenable number.

393536072 is an abundant number, since it is smaller than the sum of its proper divisors (401274808).

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

393536072 is a wasteful number, since it uses less digits than its factorization.

393536072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69053 (or 69049 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 38.

The square root of 393536072 is about 19837.7436216925. The cubic root of 393536072 is about 732.8158411509.

The spelling of 393536072 in words is "three hundred ninety-three million, five hundred thirty-six thousand, seventy-two".