394701772 has 12 divisors (see below), whose sum is σ = 692909280. Its totient is φ = 196727696.

The previous prime is 394701751. The next prime is 394701809. The reversal of 394701772 is 277107493.

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, 154372 + ... + 156907.

It is an arithmetic number, because the mean of its divisors is an integer number (57742440).

Almost surely, 2^394701772 is an apocalyptic number.

It is an amenable number.

394701772 is a deficient number, since it is larger than the sum of its proper divisors (298207508).

394701772 is a wasteful number, since it uses less digits than its factorization.

394701772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311600 (or 311598 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 394701772 is about 19867.1027580772. The cubic root of 394701772 is about 733.5386900548.

The spelling of 394701772 in words is "three hundred ninety-four million, seven hundred one thousand, seven hundred seventy-two".