684792328 has 16 divisors (see below), whose sum is σ = 1400711760. Its totient is φ = 311269200.

The previous prime is 684792289. The next prime is 684792343. The reversal of 684792328 is 823297486.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890778 + ... + 3890953.

It is an arithmetic number, because the mean of its divisors is an integer number (87544485).

Almost surely, 2^684792328 is an apocalyptic number.

It is an amenable number.

684792328 is an abundant number, since it is smaller than the sum of its proper divisors (715919432).

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

684792328 is a wasteful number, since it uses less digits than its factorization.

684792328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781748 (or 7781744 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 684792328 is about 26168.5369862360. The cubic root of 684792328 is about 881.4268896426.

It can be divided in two parts, 68479 and 2328, that added together give a palindrome (70807).

The spelling of 684792328 in words is "six hundred eighty-four million, seven hundred ninety-two thousand, three hundred twenty-eight".