689086708 has 24 divisors (see below), whose sum is σ = 1230018048. Its totient is φ = 337667616.

The previous prime is 689086691. The next prime is 689086709. The reversal of 689086708 is 807680986.

It is a super-2 number, since 2×689086708² = 949680982284554528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689086709) 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, 377085 + ... + 378907.

It is an arithmetic number, because the mean of its divisors is an integer number (51250752).

Almost surely, 2^689086708 is an apocalyptic number.

It is an amenable number.

689086708 is a deficient number, since it is larger than the sum of its proper divisors (540931340).

689086708 is a wasteful number, since it uses less digits than its factorization.

689086708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3661 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 689086708 is about 26250.4611007121. The cubic root of 689086708 is about 883.2655478382.

The spelling of 689086708 in words is "six hundred eighty-nine million, eighty-six thousand, seven hundred eight".