689230916 has 12 divisors (see below), whose sum is σ = 1315804560. Its totient is φ = 313286760.

The previous prime is 689230891. The next prime is 689230937. The reversal of 689230916 is 619032986.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 15664339 = 689230916 / (6 + 8 + 9 + 2 + 3 + 0 + 9 + 1 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7832126 + ... + 7832213.

It is an arithmetic number, because the mean of its divisors is an integer number (109650380).

Almost surely, 2^689230916 is an apocalyptic number.

It is an amenable number.

689230916 is a deficient number, since it is larger than the sum of its proper divisors (626573644).

689230916 is a wasteful number, since it uses less digits than its factorization.

689230916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664354 (or 15664352 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 689230916 is about 26253.2077278187. The cubic root of 689230916 is about 883.3271584078.

The spelling of 689230916 in words is "six hundred eighty-nine million, two hundred thirty thousand, nine hundred sixteen".