689813962 has 24 divisors (see below), whose sum is σ = 1100791296. Its totient is φ = 324138024.

The previous prime is 689813959. The next prime is 689813983. The reversal of 689813962 is 269318986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87933 + ... + 95455.

It is an arithmetic number, because the mean of its divisors is an integer number (45866304).

Almost surely, 2^689813962 is an apocalyptic number.

689813962 is a deficient number, since it is larger than the sum of its proper divisors (410977334).

689813962 is a wasteful number, since it uses less digits than its factorization.

689813962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690 (or 7671 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 689813962 is about 26264.3096615921. The cubic root of 689813962 is about 883.5761679428.

The spelling of 689813962 in words is "six hundred eighty-nine million, eight hundred thirteen thousand, nine hundred sixty-two".