689475284 has 12 divisors (see below), whose sum is σ = 1209768000. Its totient is φ = 343827288.

The previous prime is 689475271. The next prime is 689475313. The reversal of 689475284 is 482574986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225884 + ... + 228915.

It is an arithmetic number, because the mean of its divisors is an integer number (100814000).

Almost surely, 2^689475284 is an apocalyptic number.

It is an amenable number.

689475284 is a deficient number, since it is larger than the sum of its proper divisors (520292716).

689475284 is a wasteful number, since it uses less digits than its factorization.

689475284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455182 (or 455180 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 689475284 is about 26257.8613752149. The cubic root of 689475284 is about 883.4315411240.

The spelling of 689475284 in words is "six hundred eighty-nine million, four hundred seventy-five thousand, two hundred eighty-four".