689382982 has 8 divisors (see below), whose sum is σ = 1039324176. Its totient is φ = 342941592.

The previous prime is 689382973. The next prime is 689382989. The reversal of 689382982 is 289283986.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689382989) by changing a digit.

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, 874458 + ... + 875245.

It is an arithmetic number, because the mean of its divisors is an integer number (129915522).

Almost surely, 2^689382982 is an apocalyptic number.

689382982 is a deficient number, since it is larger than the sum of its proper divisors (349941194).

689382982 is a wasteful number, since it uses less digits than its factorization.

689382982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749902.

The product of its digits is 2985984, while the sum is 55.

The square root of 689382982 is about 26256.1037094235. The cubic root of 689382982 is about 883.3921168744.

The spelling of 689382982 in words is "six hundred eighty-nine million, three hundred eighty-two thousand, nine hundred eighty-two".