299680056 has 96 divisors (see below), whose sum is σ = 877509360. Its totient is φ = 91846656.

The previous prime is 299680013. The next prime is 299680091. The reversal of 299680056 is 650086992.

It is a junction number, because it is equal to n+sod(n) for n = 299679993 and 299680020.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 329955 + ... + 330861.

Almost surely, 2^299680056 is an apocalyptic number.

299680056 is a gapful number since it is divisible by the number (26) 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 299680056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438754680).

299680056 is an abundant number, since it is smaller than the sum of its proper divisors (577829304).

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

299680056 is a wasteful number, since it uses less digits than its factorization.

299680056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 299680056 is about 17311.2696241495. The cubic root of 299680056 is about 669.1948864812.

The spelling of 299680056 in words is "two hundred ninety-nine million, six hundred eighty thousand, fifty-six".