299980 has 24 divisors (see below), whose sum is σ = 644112. Its totient is φ = 117312.

The previous prime is 299977. The next prime is 299983. The reversal of 299980 is 89992.

It is an interprime number because it is at equal distance from previous prime (299977) and next prime (299983).

It is not an unprimeable number, because it can be changed into a prime (299983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (26838).

2²⁹⁹⁹⁸⁰ is an apocalyptic number.

299980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299980 is an abundant number, since it is smaller than the sum of its proper divisors (344132).

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

299980 is a wasteful number, since it uses less digits than its factorization.

299980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 299980 is about 547.7042997823. The cubic root of 299980 is about 66.9418073464.

The spelling of 299980 in words is "two hundred ninety-nine thousand, nine hundred eighty".