685824352 has 48 divisors (see below), whose sum is σ = 1376449200. Its totient is φ = 336312832.

The previous prime is 685824331. The next prime is 685824371. The reversal of 685824352 is 253428586.

It is a junction number, because it is equal to n+sod(n) for n = 685824299 and 685824308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394878 + ... + 396610.

It is an arithmetic number, because the mean of its divisors is an integer number (28676025).

Almost surely, 2^685824352 is an apocalyptic number.

It is an amenable number.

685824352 is an abundant number, since it is smaller than the sum of its proper divisors (690624848).

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

685824352 is a wasteful number, since it uses less digits than its factorization.

685824352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1967 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 685824352 is about 26188.2483568489. The cubic root of 685824352 is about 881.8694555036.

The spelling of 685824352 in words is "six hundred eighty-five million, eight hundred twenty-four thousand, three hundred fifty-two".