299799980 has 12 divisors (see below), whose sum is σ = 629580000. Its totient is φ = 119919984.

The previous prime is 299799967. The next prime is 299799989. The reversal of 299799980 is 89997992.

It is not an unprimeable number, because it can be changed into a prime (299799989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7494980 + ... + 7495019.

It is an arithmetic number, because the mean of its divisors is an integer number (52465000).

Almost surely, 2^299799980 is an apocalyptic number.

299799980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299799980 is an abundant number, since it is smaller than the sum of its proper divisors (329780020).

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

299799980 is a wasteful number, since it uses less digits than its factorization.

299799980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990008 (or 14990006 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 62.

The square root of 299799980 is about 17314.7330328827. The cubic root of 299799980 is about 669.2841392508.

The spelling of 299799980 in words is "two hundred ninety-nine million, seven hundred ninety-nine thousand, nine hundred eighty".