689817334 has 16 divisors (see below), whose sum is σ = 1083253248. Its totient is φ = 328831272.

The previous prime is 689817329. The next prime is 689817379. The reversal of 689817334 is 433718986.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 10302 + ... + 38545.

It is an arithmetic number, because the mean of its divisors is an integer number (67703328).

Almost surely, 2^689817334 is an apocalyptic number.

689817334 is a deficient number, since it is larger than the sum of its proper divisors (393435914).

689817334 is a wasteful number, since it uses less digits than its factorization.

689817334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49179.

The product of its digits is 870912, while the sum is 49.

The square root of 689817334 is about 26264.3738550912. The cubic root of 689817334 is about 883.5776076614.

The spelling of 689817334 in words is "six hundred eighty-nine million, eight hundred seventeen thousand, three hundred thirty-four".