393854472 has 48 divisors (see below), whose sum is σ = 1163663280. Its totient is φ = 119349600.

The previous prime is 393854471. The next prime is 393854497. The reversal of 393854472 is 274458393.

393854472 is a `hidden beast` number, since 3 + 9 + 38 + 544 + 72 = 666.

It is a super-2 number, since 2×393854472² = 310242690228797568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (393854471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247854 + ... + 249437.

It is an arithmetic number, because the mean of its divisors is an integer number (24242985).

Almost surely, 2^393854472 is an apocalyptic number.

It is an amenable number.

393854472 is an abundant number, since it is smaller than the sum of its proper divisors (769808808).

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

393854472 is a wasteful number, since it uses less digits than its factorization.

393854472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497314 (or 497307 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 393854472 is about 19845.7671053552. The cubic root of 393854472 is about 733.0134220775.

The spelling of 393854472 in words is "three hundred ninety-three million, eight hundred fifty-four thousand, four hundred seventy-two".