904841 has 4 divisors (see below), whose sum is σ = 1034112. Its totient is φ = 775572.

The previous prime is 904823. The next prime is 904847. The reversal of 904841 is 148409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 904841 - 2⁶ = 904777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 904841.

It is not an unprimeable number, because it can be changed into a prime (904847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64625 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (258528).

2⁹⁰⁴⁸⁴¹ is an apocalyptic number.

It is an amenable number.

904841 is a deficient number, since it is larger than the sum of its proper divisors (129271).

904841 is a wasteful number, since it uses less digits than its factorization.

904841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129270.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 904841 is about 951.2313073065. The cubic root of 904841 is about 96.7217376781.

The spelling of 904841 in words is "nine hundred four thousand, eight hundred forty-one".