299426 has 4 divisors (see below), whose sum is σ = 449142. Its totient is φ = 149712.

The previous prime is 299419. The next prime is 299447. The reversal of 299426 is 624992.

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., 297025 + 2401 = 545^2 + 49^2 .

It is a d-powerful number, because it can be written as 2¹⁷ + 9⁴ + 4⁷ + 9⁴ + 2¹⁷ + 6⁵ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 299392 and 299401.

It is an unprimeable number.

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, 74855 + ... + 74858.

2²⁹⁹⁴²⁶ is an apocalyptic number.

299426 is a deficient number, since it is larger than the sum of its proper divisors (149716).

299426 is a wasteful number, since it uses less digits than its factorization.

299426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149715.

The product of its digits is 7776, while the sum is 32.

The square root of 299426 is about 547.1983187109. The cubic root of 299426 is about 66.9005728034.

The spelling of 299426 in words is "two hundred ninety-nine thousand, four hundred twenty-six".