699179364 has 135 divisors (see below), whose sum is σ = 1996877883. Its totient is φ = 213228288.

The previous prime is 699179359. The next prime is 699179399. The reversal of 699179364 is 463971996.

The square root of 699179364 is 26442.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 521756964 + 177422400 = 22842^2 + 13320^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 699179364.

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 44 ways as a sum of consecutive naturals, for example, 6187372 + ... + 6187484.

Almost surely, 2^699179364 is an apocalyptic number.

699179364 is the 26442-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699179364

699179364 is an abundant number, since it is smaller than the sum of its proper divisors (1297698519).

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

699179364 is a wasteful number, since it uses less digits than its factorization.

699179364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 131 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The cubic root of 699179364 is about 887.5568917838.

The spelling of 699179364 in words is "six hundred ninety-nine million, one hundred seventy-nine thousand, three hundred sixty-four".