689303328 has 48 divisors (see below), whose sum is σ = 2067912000. Its totient is φ = 196943616.

The previous prime is 689303327. The next prime is 689303341. The reversal of 689303328 is 823303986.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 689303328.

It is not an unprimeable number, because it can be changed into a prime (689303323) 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, 512203 + ... + 513546.

It is an arithmetic number, because the mean of its divisors is an integer number (43081500).

Almost surely, 2^689303328 is an apocalyptic number.

It is an amenable number.

689303328 is an abundant number, since it is smaller than the sum of its proper divisors (1378608672).

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

689303328 is a wasteful number, since it uses less digits than its factorization.

689303328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025769 (or 1025761 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 689303328 is about 26254.5867992623. The cubic root of 689303328 is about 883.3580920397.

The spelling of 689303328 in words is "six hundred eighty-nine million, three hundred three thousand, three hundred twenty-eight".