685364794 has 8 divisors (see below), whose sum is σ = 1028687040. Its totient is φ = 342469116.

The previous prime is 685364777. The next prime is 685364803. The reversal of 685364794 is 497463586.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 102594 + ... + 109069.

It is an arithmetic number, because the mean of its divisors is an integer number (128585880).

Almost surely, 2^685364794 is an apocalyptic number.

685364794 is a deficient number, since it is larger than the sum of its proper divisors (343322246).

685364794 is a wasteful number, since it uses less digits than its factorization.

685364794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213284.

The product of its digits is 4354560, while the sum is 52.

The square root of 685364794 is about 26179.4727601608. The cubic root of 685364794 is about 881.6724367785.

The spelling of 685364794 in words is "six hundred eighty-five million, three hundred sixty-four thousand, seven hundred ninety-four".