299990 has 16 divisors (see below), whose sum is σ = 546480. Its totient is φ = 118560.

The previous prime is 299983. The next prime is 299993. The reversal of 299990 is 99992.

299990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1196 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (34155).

2²⁹⁹⁹⁹⁰ is an apocalyptic number.

299990 is a deficient number, since it is larger than the sum of its proper divisors (246490).

299990 is a wasteful number, since it uses less digits than its factorization.

299990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 299990 is about 547.7134287198. The cubic root of 299990 is about 66.9425511856.

The spelling of 299990 in words is "two hundred ninety-nine thousand, nine hundred ninety".