904633 has 2 divisors, whose sum is σ = 904634. Its totient is φ = 904632.

The previous prime is 904627. The next prime is 904637. The reversal of 904633 is 336409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 5929 = 948^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 904633 - 2⁵ = 904601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 904598 and 904607.

It is not a weakly prime, because it can be changed into another prime (904637) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452316 + 452317.

It is an arithmetic number, because the mean of its divisors is an integer number (452317).

2⁹⁰⁴⁶³³ is an apocalyptic number.

It is an amenable number.

904633 is a deficient number, since it is larger than the sum of its proper divisors (1).

904633 is an equidigital number, since it uses as much as digits as its factorization.

904633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 904633 is about 951.1219690450. The cubic root of 904633 is about 96.7143258185.

The spelling of 904633 in words is "nine hundred four thousand, six hundred thirty-three".