689222986 has 16 divisors (see below), whose sum is σ = 1103578560. Its totient is φ = 321874560.

The previous prime is 689222977. The next prime is 689223053.

689222986 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 125031 + ... + 130426.

It is an arithmetic number, because the mean of its divisors is an integer number (68973660).

Almost surely, 2^689222986 is an apocalyptic number.

689222986 is a deficient number, since it is larger than the sum of its proper divisors (414355574).

689222986 is a wasteful number, since it uses less digits than its factorization.

689222986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255549.

The product of its digits is 1492992, while the sum is 52.

The square root of 689222986 is about 26253.0566982209. The cubic root of 689222986 is about 883.3237706650.

The spelling of 689222986 in words is "six hundred eighty-nine million, two hundred twenty-two thousand, nine hundred eighty-six".