689600982 has 32 divisors (see below), whose sum is σ = 1583136000. Its totient is φ = 196165728.

The previous prime is 689600981. The next prime is 689600999. The reversal of 689600982 is 289006986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689600981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26232 + ... + 45467.

It is an arithmetic number, because the mean of its divisors is an integer number (49473000).

Almost surely, 2^689600982 is an apocalyptic number.

689600982 is an abundant number, since it is smaller than the sum of its proper divisors (893535018).

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

689600982 is a wasteful number, since it uses less digits than its factorization.

689600982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71940.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 689600982 is about 26260.2547969360. The cubic root of 689600982 is about 883.4852238945.

The spelling of 689600982 in words is "six hundred eighty-nine million, six hundred thousand, nine hundred eighty-two".