299939880 has 64 divisors (see below), whose sum is σ = 928857600. Its totient is φ = 77402880.

The previous prime is 299939869. The next prime is 299939903. The reversal of 299939880 is 88939992.

It is a super-2 number, since 2×299939880² = 179927863228828800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 299939880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36595 + ... + 44034.

It is an arithmetic number, because the mean of its divisors is an integer number (14513400).

Almost surely, 2^299939880 is an apocalyptic number.

299939880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299939880 is an abundant number, since it is smaller than the sum of its proper divisors (628917720).

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

299939880 is a wasteful number, since it uses less digits than its factorization.

299939880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80674 (or 80670 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 57.

The square root of 299939880 is about 17318.7724738216. The cubic root of 299939880 is about 669.3882289736.

The spelling of 299939880 in words is "two hundred ninety-nine million, nine hundred thirty-nine thousand, eight hundred eighty".