699944608 has 48 divisors (see below), whose sum is σ = 1511225856. Its totient is φ = 316477440.

The previous prime is 699944599. The next prime is 699944611. The reversal of 699944608 is 806449996.

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, 62785 + ... + 73087.

It is an arithmetic number, because the mean of its divisors is an integer number (31483872).

Almost surely, 2^699944608 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 699944608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755612928).

699944608 is an abundant number, since it is smaller than the sum of its proper divisors (811281248).

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

699944608 is a wasteful number, since it uses less digits than its factorization.

699944608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517 (or 10509 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 699944608 is about 26456.4662795317. The cubic root of 699944608 is about 887.8805807541.

The spelling of 699944608 in words is "six hundred ninety-nine million, nine hundred forty-four thousand, six hundred eight".