689804712 has 48 divisors (see below), whose sum is σ = 1907979840. Its totient is φ = 225041568.

The previous prime is 689804683. The next prime is 689804719. The reversal of 689804712 is 217408986.

It is not an unprimeable number, because it can be changed into a prime (689804719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98538 + ... + 105305.

It is an arithmetic number, because the mean of its divisors is an integer number (39749580).

Almost surely, 2^689804712 is an apocalyptic number.

It is an amenable number.

689804712 is an abundant number, since it is smaller than the sum of its proper divisors (1218175128).

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

689804712 is a wasteful number, since it uses less digits than its factorization.

689804712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203902 (or 203895 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 689804712 is about 26264.1335665200. The cubic root of 689804712 is about 883.5722185127.

The spelling of 689804712 in words is "six hundred eighty-nine million, eight hundred four thousand, seven hundred twelve".