904907 has 2 divisors, whose sum is σ = 904908. Its totient is φ = 904906.

The previous prime is 904903. The next prime is 904919. The reversal of 904907 is 709409.

It is a weak prime.

It is an emirp because it is prime and its reverse (709409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 904907 - 2² = 904903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 904907.

It is not a weakly prime, because it can be changed into another prime (904901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452453 + 452454.

It is an arithmetic number, because the mean of its divisors is an integer number (452454).

2⁹⁰⁴⁹⁰⁷ is an apocalyptic number.

904907 is a deficient number, since it is larger than the sum of its proper divisors (1).

904907 is an equidigital number, since it uses as much as digits as its factorization.

904907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 904907 is about 951.2659985514. The cubic root of 904907 is about 96.7240892807.

The spelling of 904907 in words is "nine hundred four thousand, nine hundred seven".