689282998 has 16 divisors (see below), whose sum is σ = 1080241920. Its totient is φ = 329240296.

The previous prime is 689282983. The next prime is 689282999. The reversal of 689282998 is 899282986.

It is a super-2 number, since 2×689282998² = 950222102663736008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689282999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28983 + ... + 47101.

It is an arithmetic number, because the mean of its divisors is an integer number (67515120).

Almost surely, 2^689282998 is an apocalyptic number.

689282998 is a deficient number, since it is larger than the sum of its proper divisors (390958922).

689282998 is a wasteful number, since it uses less digits than its factorization.

689282998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18971.

The product of its digits is 8957952, while the sum is 61.

The square root of 689282998 is about 26254.1996259646. The cubic root of 689282998 is about 883.3494074999.

The spelling of 689282998 in words is "six hundred eighty-nine million, two hundred eighty-two thousand, nine hundred ninety-eight".