904085041 has 4 divisors (see below), whose sum is σ = 957266532. Its totient is φ = 850903552.

The previous prime is 904085033. The next prime is 904085111. The reversal of 904085041 is 140580409.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140580409 = 971 ⋅144779.

It can be written as a sum of positive squares in 2 ways, for example, as 256128016 + 647957025 = 16004^2 + 25455^2 .

It is a cyclic number.

It is not a de Polignac number, because 904085041 - 2³ = 904085033 is a prime.

It is a super-2 number, since 2×904085041² = 1634739522719943362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 904084994 and 904085012.

It is not an unprimeable number, because it can be changed into a prime (904085141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26590720 + ... + 26590753.

It is an arithmetic number, because the mean of its divisors is an integer number (239316633).

Almost surely, 2^904085041 is an apocalyptic number.

It is an amenable number.

904085041 is a deficient number, since it is larger than the sum of its proper divisors (53181491).

904085041 is a wasteful number, since it uses less digits than its factorization.

904085041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53181490.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 904085041 is about 30068.0069342815. The cubic root of 904085041 is about 966.9479443985.

The spelling of 904085041 in words is "nine hundred four million, eighty-five thousand, forty-one".