393025244 has 24 divisors (see below), whose sum is σ = 731974320. Its totient is φ = 184007936.

The previous prime is 393025229. The next prime is 393025253. The reversal of 393025244 is 442520393.

It is a self number, because there is not a number n which added to its sum of digits gives 393025244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274 + ... + 28065.

It is an arithmetic number, because the mean of its divisors is an integer number (30498930).

Almost surely, 2^393025244 is an apocalyptic number.

393025244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

393025244 is a deficient number, since it is larger than the sum of its proper divisors (338949076).

393025244 is a wasteful number, since it uses less digits than its factorization.

393025244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29557 (or 29555 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 393025244 is about 19824.8642870512. The cubic root of 393025244 is about 732.4986275877.

The spelling of 393025244 in words is "three hundred ninety-three million, twenty-five thousand, two hundred forty-four".