685670232 has 64 divisors (see below), whose sum is σ = 1848833280. Its totient is φ = 210655872.

The previous prime is 685670203. The next prime is 685670261. The reversal of 685670232 is 232076586.

It is an interprime number because it is at equal distance from previous prime (685670203) and next prime (685670261).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281773 + ... + 284195.

It is an arithmetic number, because the mean of its divisors is an integer number (28888020).

Almost surely, 2^685670232 is an apocalyptic number.

It is an amenable number.

685670232 is an abundant number, since it is smaller than the sum of its proper divisors (1163163048).

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

685670232 is a wasteful number, since it uses less digits than its factorization.

685670232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 685670232 is about 26185.3056503070. The cubic root of 685670232 is about 881.8033919883.

The spelling of 685670232 in words is "six hundred eighty-five million, six hundred seventy thousand, two hundred thirty-two".