442499 has 2 divisors, whose sum is σ = 442500. Its totient is φ = 442498.

The previous prime is 442489. The next prime is 442501. The reversal of 442499 is 994244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442499 - 2⁸ = 442243 is a prime.

It is a Sophie Germain prime.

Together with 442501, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442499.

It is not a weakly prime, because it can be changed into another prime (442439) 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, 221249 + 221250.

It is an arithmetic number, because the mean of its divisors is an integer number (221250).

2⁴⁴²⁴⁹⁹ is an apocalyptic number.

442499 is a deficient number, since it is larger than the sum of its proper divisors (1).

442499 is an equidigital number, since it uses as much as digits as its factorization.

442499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 442499 is about 665.2059831361. The cubic root of 442499 is about 76.2027710751.

The spelling of 442499 in words is "four hundred forty-two thousand, four hundred ninety-nine".