689410122 has 16 divisors (see below), whose sum is σ = 1416086112. Its totient is φ = 223592400.

The previous prime is 689410097. The next prime is 689410133. The reversal of 689410122 is 221014986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552504 + ... + 1552947.

It is an arithmetic number, because the mean of its divisors is an integer number (88505382).

Almost surely, 2^689410122 is an apocalyptic number.

689410122 is an abundant number, since it is smaller than the sum of its proper divisors (726675990).

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

689410122 is a wasteful number, since it uses less digits than its factorization.

689410122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105493.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 689410122 is about 26256.6205365428. The cubic root of 689410122 is about 883.4037093409.

The spelling of 689410122 in words is "six hundred eighty-nine million, four hundred ten thousand, one hundred twenty-two".