685153120 has 48 divisors (see below), whose sum is σ = 1620310608. Its totient is φ = 273784320.

The previous prime is 685153093. The next prime is 685153123. The reversal of 685153120 is 21351586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685153123) 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, 243562 + ... + 246358.

It is an arithmetic number, because the mean of its divisors is an integer number (33756471).

Almost surely, 2^685153120 is an apocalyptic number.

It is an amenable number.

685153120 is an abundant number, since it is smaller than the sum of its proper divisors (935157488).

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

685153120 is a wasteful number, since it uses less digits than its factorization.

685153120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 685153120 is about 26175.4297003889. The cubic root of 685153120 is about 881.5816596481.

The spelling of 685153120 in words is "six hundred eighty-five million, one hundred fifty-three thousand, one hundred twenty".