682640396 has 24 divisors (see below), whose sum is σ = 1243719120. Its totient is φ = 327442752.

The previous prime is 682640369. The next prime is 682640461. The reversal of 682640396 is 693046286.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 36953.

It is an arithmetic number, because the mean of its divisors is an integer number (51821630).

Almost surely, 2^682640396 is an apocalyptic number.

It is an amenable number.

682640396 is a deficient number, since it is larger than the sum of its proper divisors (561078724).

682640396 is a wasteful number, since it uses less digits than its factorization.

682640396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37673 (or 37671 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 682640396 is about 26127.3878525964. The cubic root of 682640396 is about 880.5026381241.

The spelling of 682640396 in words is "six hundred eighty-two million, six hundred forty thousand, three hundred ninety-six".