689307292 has 12 divisors (see below), whose sum is σ = 1211603400. Its totient is φ = 343134896.

The previous prime is 689307287. The next prime is 689307301. The reversal of 689307292 is 292703986.

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, 378667 + ... + 380482.

It is an arithmetic number, because the mean of its divisors is an integer number (100966950).

Almost surely, 2^689307292 is an apocalyptic number.

It is an amenable number.

689307292 is a deficient number, since it is larger than the sum of its proper divisors (522296108).

689307292 is a wasteful number, since it uses less digits than its factorization.

689307292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759380 (or 759378 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 689307292 is about 26254.6622907247. The cubic root of 689307292 is about 883.3597853556.

The spelling of 689307292 in words is "six hundred eighty-nine million, three hundred seven thousand, two hundred ninety-two".