699549696 has 120 divisors (see below), whose sum is σ = 2089997910. Its totient is φ = 233127936.

The previous prime is 699549691. The next prime is 699549707. The reversal of 699549696 is 696945996.

It can be written as a sum of positive squares in only one way, i.e., 466560000 + 232989696 = 21600^2 + 15264^2 .

It is not an unprimeable number, because it can be changed into a prime (699549691) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 163780 + ... + 167996.

Almost surely, 2^699549696 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 699549696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044998955).

699549696 is an abundant number, since it is smaller than the sum of its proper divisors (1390448214).

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

699549696 is an equidigital number, since it uses as much as digits as its factorization.

699549696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251 (or 4222 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 63.

The square root of 699549696 is about 26449.0017959090. The cubic root of 699549696 is about 887.7135672239.

The spelling of 699549696 in words is "six hundred ninety-nine million, five hundred forty-nine thousand, six hundred ninety-six".