299808 has 48 divisors (see below), whose sum is σ = 876960. Its totient is φ = 99648.

The previous prime is 299807. The next prime is 299843. The reversal of 299808 is 808992.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (299807) 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, 691 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (18270).

2²⁹⁹⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438480).

299808 is an abundant number, since it is smaller than the sum of its proper divisors (577152).

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

299808 is a wasteful number, since it uses less digits than its factorization.

299808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 299808 is about 547.5472582344. The cubic root of 299808 is about 66.9290107242.

The spelling of 299808 in words is "two hundred ninety-nine thousand, eight hundred eight".