299385 has 12 divisors (see below), whose sum is σ = 519012. Its totient is φ = 159648.

The previous prime is 299371. The next prime is 299389. The reversal of 299385 is 583992.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 254016 = 213^2 + 504^2 .

It is not a de Polignac number, because 299385 - 2¹⁴ = 283001 is a prime.

299385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (299389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3282 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (43251).

299385 is a Friedman number, since it can be written as 9*5*(92+3^8), using all its digits and the basic arithmetic operations.

2²⁹⁹³⁸⁵ is an apocalyptic number.

It is an amenable number.

299385 is a deficient number, since it is larger than the sum of its proper divisors (219627).

299385 is a wasteful number, since it uses less digits than its factorization.

299385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6661 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 299385 is about 547.1608538629. The cubic root of 299385 is about 66.8975191288.

The spelling of 299385 in words is "two hundred ninety-nine thousand, three hundred eighty-five".