904094693 has 2 divisors, whose sum is σ = 904094694. Its totient is φ = 904094692.

The previous prime is 904094683. The next prime is 904094771. The reversal of 904094693 is 396490409.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646074724 + 258019969 = 25418^2 + 16063^2 .

It is a cyclic number.

It is not a de Polignac number, because 904094693 - 2⁴ = 904094677 is a prime.

It is a super-3 number, since 3×904094693³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904094683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452047346 + 452047347.

It is an arithmetic number, because the mean of its divisors is an integer number (452047347).

Almost surely, 2^904094693 is an apocalyptic number.

It is an amenable number.

904094693 is a deficient number, since it is larger than the sum of its proper divisors (1).

904094693 is an equidigital number, since it uses as much as digits as its factorization.

904094693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 904094693 is about 30068.1674366763. The cubic root of 904094693 is about 966.9513854275.

The spelling of 904094693 in words is "nine hundred four million, ninety-four thousand, six hundred ninety-three".