299149 has 4 divisors (see below), whose sum is σ = 316764. Its totient is φ = 281536.

The previous prime is 299147. The next prime is 299171. The reversal of 299149 is 941992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 198025 = 318^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 299149 - 2¹ = 299147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299147) by changing a digit.

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, 8782 + ... + 8815.

It is an arithmetic number, because the mean of its divisors is an integer number (79191).

2²⁹⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

299149 is a deficient number, since it is larger than the sum of its proper divisors (17615).

299149 is a wasteful number, since it uses less digits than its factorization.

299149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17614.

The product of its digits is 5832, while the sum is 34.

The square root of 299149 is about 546.9451526433. The cubic root of 299149 is about 66.8799364569.

It can be divided in two parts, 299 and 149, that multiplied together give a triangular number (44551 = T₂₉₈).

The spelling of 299149 in words is "two hundred ninety-nine thousand, one hundred forty-nine".