689091614 has 8 divisors (see below), whose sum is σ = 1033824360. Its totient is φ = 344483496.

The previous prime is 689091587. The next prime is 689091629. The reversal of 689091614 is 416190986.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 15824 + ... + 40355.

It is an arithmetic number, because the mean of its divisors is an integer number (129228045).

Almost surely, 2^689091614 is an apocalyptic number.

689091614 is a deficient number, since it is larger than the sum of its proper divisors (344732746).

689091614 is a wasteful number, since it uses less digits than its factorization.

689091614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62314.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 689091614 is about 26250.5545465234. The cubic root of 689091614 is about 883.2676439898.

The spelling of 689091614 in words is "six hundred eighty-nine million, ninety-one thousand, six hundred fourteen".