299906 has 4 divisors (see below), whose sum is σ = 449862. Its totient is φ = 149952.

The previous prime is 299903. The next prime is 299909. The reversal of 299906 is 609992.

299906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (299903) and next prime (299909).

It can be written as a sum of positive squares in only one way, i.e., 292681 + 7225 = 541^2 + 85^2 .

It is not an unprimeable number, because it can be changed into a prime (299903) 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 as a sum of consecutive naturals, namely, 74975 + ... + 74978.

2²⁹⁹⁹⁰⁶ is an apocalyptic number.

299906 is a deficient number, since it is larger than the sum of its proper divisors (149956).

299906 is a wasteful number, since it uses less digits than its factorization.

299906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149955.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 299906 is about 547.6367409150. The cubic root of 299906 is about 66.9363024226.

The spelling of 299906 in words is "two hundred ninety-nine thousand, nine hundred six".