394709396 has 12 divisors (see below), whose sum is σ = 696181248. Its totient is φ = 195800472.

The previous prime is 394709389. The next prime is 394709429. The reversal of 394709396 is 693907493.

It is a happy number.

It is a congruent number.

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, 387986 + ... + 389001.

It is an arithmetic number, because the mean of its divisors is an integer number (58015104).

Almost surely, 2^394709396 is an apocalyptic number.

It is an amenable number.

394709396 is a deficient number, since it is larger than the sum of its proper divisors (301471852).

394709396 is a wasteful number, since it uses less digits than its factorization.

394709396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777118 (or 777116 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 394709396 is about 19867.2946321335. The cubic root of 394709396 is about 733.5434129987.

The spelling of 394709396 in words is "three hundred ninety-four million, seven hundred nine thousand, three hundred ninety-six".