299240 has 16 divisors (see below), whose sum is σ = 673380. Its totient is φ = 119680.

The previous prime is 299239. The next prime is 299261. The reversal of 299240 is 42992.

It can be written as a sum of positive squares in 2 ways, for example, as 293764 + 5476 = 542^2 + 74^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701 + ... + 3780.

2²⁹⁹²⁴⁰ is an apocalyptic number.

299240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299240 is an abundant number, since it is smaller than the sum of its proper divisors (374140).

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

299240 is a wasteful number, since it uses less digits than its factorization.

299240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7488 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 299240 is about 547.0283356463. The cubic root of 299240 is about 66.8867173110.

The spelling of 299240 in words is "two hundred ninety-nine thousand, two hundred forty".