299945 has 8 divisors (see below), whose sum is σ = 362880. Its totient is φ = 238000.

The previous prime is 299941. The next prime is 299951. The reversal of 299945 is 549992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 299945 - 2² = 299941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 299899 and 299908.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299945.

It is not an unprimeable number, because it can be changed into a prime (299941) 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, 1070 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2²⁹⁹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

299945 is a deficient number, since it is larger than the sum of its proper divisors (62935).

299945 is a wasteful number, since it uses less digits than its factorization.

299945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 29160, while the sum is 38.

The square root of 299945 is about 547.6723473027. The cubic root of 299945 is about 66.9392037790.

Subtracting 299945 from its reverse (549992), we obtain a cube (250047 = 63³).

The spelling of 299945 in words is "two hundred ninety-nine thousand, nine hundred forty-five".