904459 has 2 divisors, whose sum is σ = 904460. Its totient is φ = 904458.

The previous prime is 904441. The next prime is 904483. The reversal of 904459 is 954409.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (954409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 904459 - 2¹⁷ = 773387 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 904459.

It is not a weakly prime, because it can be changed into another prime (904489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452229 + 452230.

It is an arithmetic number, because the mean of its divisors is an integer number (452230).

2⁹⁰⁴⁴⁵⁹ is an apocalyptic number.

904459 is a deficient number, since it is larger than the sum of its proper divisors (1).

904459 is an equidigital number, since it uses as much as digits as its factorization.

904459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 904459 is about 951.0304937277. The cubic root of 904459 is about 96.7081246402.

The spelling of 904459 in words is "nine hundred four thousand, four hundred fifty-nine".