689901108 has 24 divisors (see below), whose sum is σ = 1733598048. Its totient is φ = 212277216.

The previous prime is 689901071. The next prime is 689901119. The reversal of 689901108 is 801109986.

It is a self number, because there is not a number n which added to its sum of digits gives 689901108.

It is a congruent number.

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, 2211066 + ... + 2211377.

It is an arithmetic number, because the mean of its divisors is an integer number (72233252).

Almost surely, 2^689901108 is an apocalyptic number.

It is an amenable number.

689901108 is an abundant number, since it is smaller than the sum of its proper divisors (1043696940).

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

689901108 is a wasteful number, since it uses less digits than its factorization.

689901108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422463 (or 4422461 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 689901108 is about 26265.9686286267. The cubic root of 689901108 is about 883.6133745380.

The spelling of 689901108 in words is "six hundred eighty-nine million, nine hundred one thousand, one hundred eight".