682393904 has 20 divisors (see below), whose sum is σ = 1324751520. Its totient is φ = 340522560.

The previous prime is 682393871. The next prime is 682393909. The reversal of 682393904 is 409393286.

It is a super-2 number, since 2×682393904² = 931322880432722432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) 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 (682393909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33752 + ... + 50039.

It is an arithmetic number, because the mean of its divisors is an integer number (66237576).

Almost surely, 2^682393904 is an apocalyptic number.

It is an amenable number.

682393904 is a deficient number, since it is larger than the sum of its proper divisors (642357616).

682393904 is a wasteful number, since it uses less digits than its factorization.

682393904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84308 (or 84302 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 682393904 is about 26122.6703076083. The cubic root of 682393904 is about 880.3966462599.

The spelling of 682393904 in words is "six hundred eighty-two million, three hundred ninety-three thousand, nine hundred four".