689930276 has 24 divisors (see below), whose sum is σ = 1381571520. Its totient is φ = 295317792.

The previous prime is 689930243. The next prime is 689930281. The reversal of 689930276 is 672039986.

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 7 ways as a sum of consecutive naturals, for example, 8351 + ... + 38073.

It is an arithmetic number, because the mean of its divisors is an integer number (57565480).

Almost surely, 2^689930276 is an apocalyptic number.

It is an amenable number.

689930276 is an abundant number, since it is smaller than the sum of its proper divisors (691641244).

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

689930276 is a wasteful number, since it uses less digits than its factorization.

689930276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30563 (or 30561 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 689930276 is about 26266.5238659401. The cubic root of 689930276 is about 883.6258269853.

The spelling of 689930276 in words is "six hundred eighty-nine million, nine hundred thirty thousand, two hundred seventy-six".