393252472 has 32 divisors (see below), whose sum is σ = 746524800. Its totient is φ = 194194944.

The previous prime is 393252467. The next prime is 393252479. The reversal of 393252472 is 274252393.

It is a super-2 number, since 2×393252472² = 309295013468221568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393252479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243604 + ... + 245212.

It is an arithmetic number, because the mean of its divisors is an integer number (23328900).

Almost surely, 2^393252472 is an apocalyptic number.

It is an amenable number.

393252472 is a deficient number, since it is larger than the sum of its proper divisors (353272328).

393252472 is a wasteful number, since it uses less digits than its factorization.

393252472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1971 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 393252472 is about 19830.5943430851. The cubic root of 393252472 is about 732.6397653682.

The spelling of 393252472 in words is "three hundred ninety-three million, two hundred fifty-two thousand, four hundred seventy-two".