685903676 has 12 divisors (see below), whose sum is σ = 1200543120. Its totient is φ = 342891360.

The previous prime is 685903657. The next prime is 685903717. The reversal of 685903676 is 676309586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18905 + ... + 41583.

It is an arithmetic number, because the mean of its divisors is an integer number (100045260).

Almost surely, 2^685903676 is an apocalyptic number.

It is an amenable number.

685903676 is a deficient number, since it is larger than the sum of its proper divisors (514639444).

685903676 is a wasteful number, since it uses less digits than its factorization.

685903676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30244 (or 30242 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 685903676 is about 26189.7628091588. The cubic root of 685903676 is about 881.9034538666.

The spelling of 685903676 in words is "six hundred eighty-five million, nine hundred three thousand, six hundred seventy-six".