394524272 has 10 divisors (see below), whose sum is σ = 764390808. Its totient is φ = 197262128.

The previous prime is 394524257. The next prime is 394524289. The reversal of 394524272 is 272425493.

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 as a sum of consecutive naturals, namely, 12328868 + ... + 12328899.

Almost surely, 2^394524272 is an apocalyptic number.

It is an amenable number.

394524272 is a deficient number, since it is larger than the sum of its proper divisors (369866536).

394524272 is a wasteful number, since it uses less digits than its factorization.

394524272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657775 (or 24657769 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 394524272 is about 19862.6350719133. The cubic root of 394524272 is about 733.4287144991.

The spelling of 394524272 in words is "three hundred ninety-four million, five hundred twenty-four thousand, two hundred seventy-two".