689234034 has 16 divisors (see below), whose sum is σ = 1382961888. Its totient is φ = 228995712.

The previous prime is 689234033. The next prime is 689234069. The reversal of 689234034 is 430432986.

It is a junction number, because it is equal to n+sod(n) for n = 689233983 and 689234001.

It is not an unprimeable number, because it can be changed into a prime (689234033) 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, 185247 + ... + 188930.

It is an arithmetic number, because the mean of its divisors is an integer number (86435118).

Almost surely, 2^689234034 is an apocalyptic number.

689234034 is an abundant number, since it is smaller than the sum of its proper divisors (693727854).

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

689234034 is a wasteful number, since it uses less digits than its factorization.

689234034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374489.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 689234034 is about 26253.2671109712. The cubic root of 689234034 is about 883.3284904287.

The spelling of 689234034 in words is "six hundred eighty-nine million, two hundred thirty-four thousand, thirty-four".