685022604 has 24 divisors (see below), whose sum is σ = 1826727168. Its totient is φ = 195720720.

The previous prime is 685022579. The next prime is 685022609. The reversal of 685022604 is 406220586.

It is not an unprimeable number, because it can be changed into a prime (685022609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077432 + ... + 4077599.

It is an arithmetic number, because the mean of its divisors is an integer number (76113632).

Almost surely, 2^685022604 is an apocalyptic number.

It is an amenable number.

685022604 is an abundant number, since it is smaller than the sum of its proper divisors (1141704564).

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

685022604 is a wasteful number, since it uses less digits than its factorization.

685022604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155045 (or 8155043 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 685022604 is about 26172.9364802653. The cubic root of 685022604 is about 881.5256780895.

The spelling of 685022604 in words is "six hundred eighty-five million, twenty-two thousand, six hundred four".