689103896 has 64 divisors (see below), whose sum is σ = 1432273920. Its totient is φ = 308810880.

The previous prime is 689103881. The next prime is 689103901. The reversal of 689103896 is 698301986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996911 + ... + 997601.

It is an arithmetic number, because the mean of its divisors is an integer number (22379280).

Almost surely, 2^689103896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689103896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716136960).

689103896 is an abundant number, since it is smaller than the sum of its proper divisors (743170024).

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

689103896 is a wasteful number, since it uses less digits than its factorization.

689103896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 689103896 is about 26250.7884833961. The cubic root of 689103896 is about 883.2728915885.

The spelling of 689103896 in words is "six hundred eighty-nine million, one hundred three thousand, eight hundred ninety-six".