689029512 has 32 divisors (see below), whose sum is σ = 1728993600. Its totient is φ = 228820544.

The previous prime is 689029507. The next prime is 689029513. The reversal of 689029512 is 215920986.

It is not an unprimeable number, because it can be changed into a prime (689029513) 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, 46908 + ... + 59819.

It is an arithmetic number, because the mean of its divisors is an integer number (54031050).

Almost surely, 2^689029512 is an apocalyptic number.

It is an amenable number.

689029512 is an abundant number, since it is smaller than the sum of its proper divisors (1039964088).

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

689029512 is a wasteful number, since it uses less digits than its factorization.

689029512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107005 (or 107001 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 689029512 is about 26249.3716496224. The cubic root of 689029512 is about 883.2411093781.

The spelling of 689029512 in words is "six hundred eighty-nine million, twenty-nine thousand, five hundred twelve".