299938 has 4 divisors (see below), whose sum is σ = 449910. Its totient is φ = 149968.

The previous prime is 299933. The next prime is 299941. The reversal of 299938 is 839992.

It is a happy number.

299938 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 can be written as a sum of positive squares in only one way, i.e., 299209 + 729 = 547^2 + 27^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 299938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74983 + ... + 74986.

2²⁹⁹⁹³⁸ is an apocalyptic number.

299938 is a deficient number, since it is larger than the sum of its proper divisors (149972).

299938 is a wasteful number, since it uses less digits than its factorization.

299938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149971.

The product of its digits is 34992, while the sum is 40.

The square root of 299938 is about 547.6659565830. The cubic root of 299938 is about 66.9386830413.

The spelling of 299938 in words is "two hundred ninety-nine thousand, nine hundred thirty-eight".