684374936 has 32 divisors (see below), whose sum is σ = 1530282240. Its totient is φ = 280550688.

The previous prime is 684374891. The next prime is 684374947. The reversal of 684374936 is 639473486.

684374936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 264386 + ... + 266961.

It is an arithmetic number, because the mean of its divisors is an integer number (47821320).

Almost surely, 2^684374936 is an apocalyptic number.

It is an amenable number.

684374936 is an abundant number, since it is smaller than the sum of its proper divisors (845907304).

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

684374936 is a wasteful number, since it uses less digits than its factorization.

684374936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531383 (or 531379 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 684374936 is about 26160.5606973551. The cubic root of 684374936 is about 881.2477719307.

The spelling of 684374936 in words is "six hundred eighty-four million, three hundred seventy-four thousand, nine hundred thirty-six".