682636392 has 24 divisors (see below), whose sum is σ = 1848807090. Its totient is φ = 227545440.

The previous prime is 682636373. The next prime is 682636397. The reversal of 682636392 is 293636286.

682636392 is a `hidden beast` number, since 6 + 8 + 2 + 6 + 3 + 639 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 511392996 + 171243396 = 22614^2 + 13086^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (682636397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4740459 + ... + 4740602.

Almost surely, 2^682636392 is an apocalyptic number.

It is an amenable number.

682636392 is an abundant number, since it is smaller than the sum of its proper divisors (1166170698).

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

682636392 is a wasteful number, since it uses less digits than its factorization.

682636392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481073 (or 9481066 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 682636392 is about 26127.3112279086. The cubic root of 682636392 is about 880.5009166031.

The spelling of 682636392 in words is "six hundred eighty-two million, six hundred thirty-six thousand, three hundred ninety-two".