689213154 has 16 divisors (see below), whose sum is σ = 1575344448. Its totient is φ = 196918032.

The previous prime is 689213141. The next prime is 689213177. The reversal of 689213154 is 451312986.

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, 8204877 + ... + 8204960.

It is an arithmetic number, because the mean of its divisors is an integer number (98459028).

Almost surely, 2^689213154 is an apocalyptic number.

689213154 is an abundant number, since it is smaller than the sum of its proper divisors (886131294).

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

689213154 is a wasteful number, since it uses less digits than its factorization.

689213154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409849.

The product of its digits is 51840, while the sum is 39.

The square root of 689213154 is about 26252.8694431675. The cubic root of 689213154 is about 883.3195703405.

The spelling of 689213154 in words is "six hundred eighty-nine million, two hundred thirteen thousand, one hundred fifty-four".