699329984 has 56 divisors (see below), whose sum is σ = 1429633920. Its totient is φ = 339220224.

The previous prime is 699329971. The next prime is 699330001. The reversal of 699329984 is 489923996.

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, 447797 + ... + 449355.

Almost surely, 2^699329984 is an apocalyptic number.

699329984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699329984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714816960).

699329984 is an abundant number, since it is smaller than the sum of its proper divisors (730303936).

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

699329984 is a wasteful number, since it uses less digits than its factorization.

699329984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1767 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 59.

The square root of 699329984 is about 26444.8479670427. The cubic root of 699329984 is about 887.6206208865.

The spelling of 699329984 in words is "six hundred ninety-nine million, three hundred twenty-nine thousand, nine hundred eighty-four".