689290232 has 16 divisors (see below), whose sum is σ = 1294052760. Its totient is φ = 344209504.

The previous prime is 689290219. The next prime is 689290253. The reversal of 689290232 is 232092986.

It is a super-2 number, since 2×689290232² = 950242047861227648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 689290232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47678 + ... + 60429.

Almost surely, 2^689290232 is an apocalyptic number.

It is an amenable number.

689290232 is a deficient number, since it is larger than the sum of its proper divisors (604762528).

689290232 is a wasteful number, since it uses less digits than its factorization.

689290232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108910 (or 108906 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 689290232 is about 26254.3373940383. The cubic root of 689290232 is about 883.3524977291.

The spelling of 689290232 in words is "six hundred eighty-nine million, two hundred ninety thousand, two hundred thirty-two".