684913376 has 48 divisors (see below), whose sum is σ = 1572530400. Its totient is φ = 293529600.

The previous prime is 684913319. The next prime is 684913399. The reversal of 684913376 is 673319486.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 684913376.

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, 20225 + ... + 42176.

It is an arithmetic number, because the mean of its divisors is an integer number (32761050).

Almost surely, 2^684913376 is an apocalyptic number.

It is an amenable number.

684913376 is an abundant number, since it is smaller than the sum of its proper divisors (887617024).

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

684913376 is an equidigital number, since it uses as much as digits as its factorization.

684913376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62432 (or 62410 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 684913376 is about 26170.8497378285. The cubic root of 684913376 is about 881.4788220177.

The spelling of 684913376 in words is "six hundred eighty-four million, nine hundred thirteen thousand, three hundred seventy-six".