684252336 has 40 divisors (see below), whose sum is σ = 1824676864. Its totient is φ = 220726080.

The previous prime is 684252293. The next prime is 684252353. The reversal of 684252336 is 633252486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 684252294 and 684252303.

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 7 ways as a sum of consecutive naturals, for example, 228436 + ... + 231411.

Almost surely, 2^684252336 is an apocalyptic number.

It is an amenable number.

684252336 is an abundant number, since it is smaller than the sum of its proper divisors (1140424528).

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

684252336 is a wasteful number, since it uses less digits than its factorization.

684252336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459889 (or 459883 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 684252336 is about 26158.2173704555. The cubic root of 684252336 is about 881.1951460852.

The spelling of 684252336 in words is "six hundred eighty-four million, two hundred fifty-two thousand, three hundred thirty-six".