699982644 has 48 divisors (see below), whose sum is σ = 1720922112. Its totient is φ = 221007072.

The previous prime is 699982643. The next prime is 699982663. The reversal of 699982644 is 446289996.

699982644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699982643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16117 + ... + 40739.

It is an arithmetic number, because the mean of its divisors is an integer number (35852544).

Almost surely, 2^699982644 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 699982644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860461056).

699982644 is an abundant number, since it is smaller than the sum of its proper divisors (1020939468).

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

699982644 is a wasteful number, since it uses less digits than its factorization.

699982644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24756 (or 24754 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 699982644 is about 26457.1851110431. The cubic root of 699982644 is about 887.8966633668.

The spelling of 699982644 in words is "six hundred ninety-nine million, nine hundred eighty-two thousand, six hundred forty-four".