689282986 has 16 divisors (see below), whose sum is σ = 1251135936. Its totient is φ = 278030016.

The previous prime is 689282983. The next prime is 689282999.

689282986 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×689282986² = 950222069578152392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 689282986.

It is not an unprimeable number, because it can be changed into a prime (689282983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447836 + ... + 1448311.

It is an arithmetic number, because the mean of its divisors is an integer number (78195996).

Almost surely, 2^689282986 is an apocalyptic number.

689282986 is a deficient number, since it is larger than the sum of its proper divisors (561852950).

689282986 is a wasteful number, since it uses less digits than its factorization.

689282986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896173.

The product of its digits is 5971968, while the sum is 58.

The square root of 689282986 is about 26254.1993974297. The cubic root of 689282986 is about 883.3494023737.

The spelling of 689282986 in words is "six hundred eighty-nine million, two hundred eighty-two thousand, nine hundred eighty-six".