394253976 has 16 divisors (see below), whose sum is σ = 985635000. Its totient is φ = 131417984.

The previous prime is 394253969. The next prime is 394254011. The reversal of 394253976 is 679352493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8213601 + ... + 8213648.

Almost surely, 2^394253976 is an apocalyptic number.

It is an amenable number.

394253976 is an abundant number, since it is smaller than the sum of its proper divisors (591381024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394253976 is a wasteful number, since it uses less digits than its factorization.

394253976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427258 (or 16427254 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 394253976 is about 19855.8297736458. The cubic root of 394253976 is about 733.2611809636.

The spelling of 394253976 in words is "three hundred ninety-four million, two hundred fifty-three thousand, nine hundred seventy-six".