299992 has 32 divisors (see below), whose sum is σ = 702720. Its totient is φ = 116640.

The previous prime is 299983. The next prime is 299993.

299992 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299993) 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, 373 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (21960).

2²⁹⁹⁹⁹² is an apocalyptic number.

299992 is a gapful number since it is divisible by the number (22) 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 299992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351360).

299992 is an abundant number, since it is smaller than the sum of its proper divisors (402728).

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

299992 is a wasteful number, since it uses less digits than its factorization.

299992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its digits is 26244, while the sum is 40.

The square root of 299992 is about 547.7152544890. The cubic root of 299992 is about 66.9426999514.

The spelling of 299992 in words is "two hundred ninety-nine thousand, nine hundred ninety-two".