684750968 has 16 divisors (see below), whose sum is σ = 1400627160. Its totient is φ = 311250400.

The previous prime is 684750923. The next prime is 684751019. The reversal of 684750968 is 869057486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890543 + ... + 3890718.

Almost surely, 2^684750968 is an apocalyptic number.

It is an amenable number.

684750968 is an abundant number, since it is smaller than the sum of its proper divisors (715876192).

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

684750968 is a wasteful number, since it uses less digits than its factorization.

684750968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781278 (or 7781274 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 684750968 is about 26167.7467123174. The cubic root of 684750968 is about 881.4091438489.

The spelling of 684750968 in words is "six hundred eighty-four million, seven hundred fifty thousand, nine hundred sixty-eight".