394049312 has 24 divisors (see below), whose sum is σ = 776635776. Its totient is φ = 196808512.

The previous prime is 394049281. The next prime is 394049333. The reversal of 394049312 is 213940493.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25193 + ... + 37719.

It is an arithmetic number, because the mean of its divisors is an integer number (32359824).

Almost surely, 2^394049312 is an apocalyptic number.

394049312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

394049312 is a deficient number, since it is larger than the sum of its proper divisors (382586464).

394049312 is a wasteful number, since it uses less digits than its factorization.

394049312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520 (or 13512 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 394049312 is about 19850.6753537506. The cubic root of 394049312 is about 733.1342761837.

The spelling of 394049312 in words is "three hundred ninety-four million, forty-nine thousand, three hundred twelve".