394253372 has 12 divisors (see below), whose sum is σ = 690166680. Its totient is φ = 197062896.

The previous prime is 394253359. The next prime is 394253411. The reversal of 394253372 is 273352493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 28082.

It is an arithmetic number, because the mean of its divisors is an integer number (57513890).

Almost surely, 2^394253372 is an apocalyptic number.

It is an amenable number.

394253372 is a deficient number, since it is larger than the sum of its proper divisors (295913308).

394253372 is a wasteful number, since it uses less digits than its factorization.

394253372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31900 (or 31898 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 394253372 is about 19855.8145640011. The cubic root of 394253372 is about 733.2608065096.

The spelling of 394253372 in words is "three hundred ninety-four million, two hundred fifty-three thousand, three hundred seventy-two".