699244648 has 32 divisors (see below), whose sum is σ = 1348300800. Its totient is φ = 339723072.

The previous prime is 699244621. The next prime is 699244657. The reversal of 699244648 is 846442996.

It is a junction number, because it is equal to n+sod(n) for n = 699244595 and 699244604.

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, 377661 + ... + 379507.

It is an arithmetic number, because the mean of its divisors is an integer number (42134400).

Almost surely, 2^699244648 is an apocalyptic number.

It is an amenable number.

699244648 is a deficient number, since it is larger than the sum of its proper divisors (649056152).

699244648 is a wasteful number, since it uses less digits than its factorization.

699244648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169 (or 3165 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 699244648 is about 26443.2344466406. The cubic root of 699244648 is about 887.5845153397.

The spelling of 699244648 in words is "six hundred ninety-nine million, two hundred forty-four thousand, six hundred forty-eight".