7904903 has 2 divisors, whose sum is σ = 7904904. Its totient is φ = 7904902.

The previous prime is 7904887. The next prime is 7904947. The reversal of 7904903 is 3094097.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7904903 - 2⁴ = 7904887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7904903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7904993) 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, 3952451 + 3952452.

It is an arithmetic number, because the mean of its divisors is an integer number (3952452).

Almost surely, 2^7904903 is an apocalyptic number.

7904903 is a deficient number, since it is larger than the sum of its proper divisors (1).

7904903 is an equidigital number, since it uses as much as digits as its factorization.

7904903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 7904903 is about 2811.5659337814. The cubic root of 7904903 is about 199.2043640141.

The spelling of 7904903 in words is "seven million, nine hundred four thousand, nine hundred three".