684343308 has 24 divisors (see below), whose sum is σ = 1741965120. Its totient is φ = 207376720.

The previous prime is 684343307. The next prime is 684343343. The reversal of 684343308 is 803343486.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (684343307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592078 + ... + 2592341.

It is an arithmetic number, because the mean of its divisors is an integer number (72581880).

Almost surely, 2^684343308 is an apocalyptic number.

It is an amenable number.

684343308 is an abundant number, since it is smaller than the sum of its proper divisors (1057621812).

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

684343308 is a wasteful number, since it uses less digits than its factorization.

684343308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184437 (or 5184435 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 684343308 is about 26159.9561926239. The cubic root of 684343308 is about 881.2341962661.

The spelling of 684343308 in words is "six hundred eighty-four million, three hundred forty-three thousand, three hundred eight".