394693474 has 16 divisors (see below), whose sum is σ = 692353728. Its totient is φ = 165220272.

The previous prime is 394693463. The next prime is 394693493. The reversal of 394693474 is 474396493.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327217 + ... + 328420.

It is an arithmetic number, because the mean of its divisors is an integer number (43272108).

Almost surely, 2^394693474 is an apocalyptic number.

394693474 is a deficient number, since it is larger than the sum of its proper divisors (297660254).

394693474 is a wasteful number, since it uses less digits than its factorization.

394693474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655689.

The product of its digits is 1959552, while the sum is 49.

The square root of 394693474 is about 19866.8939192819. The cubic root of 394693474 is about 733.5335495097.

The spelling of 394693474 in words is "three hundred ninety-four million, six hundred ninety-three thousand, four hundred seventy-four".