904093 has 2 divisors, whose sum is σ = 904094. Its totient is φ = 904092.

The previous prime is 904087. The next prime is 904097. The reversal of 904093 is 390409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636804 + 267289 = 798^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 904093 - 2¹³ = 895901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904097) 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, 452046 + 452047.

It is an arithmetic number, because the mean of its divisors is an integer number (452047).

2⁹⁰⁴⁰⁹³ is an apocalyptic number.

It is an amenable number.

904093 is a deficient number, since it is larger than the sum of its proper divisors (1).

904093 is an equidigital number, since it uses as much as digits as its factorization.

904093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 904093 is about 950.8380514052. The cubic root of 904093 is about 96.6950781859.

The spelling of 904093 in words is "nine hundred four thousand, ninety-three".