904481 has 4 divisors (see below), whose sum is σ = 935700. Its totient is φ = 873264.

The previous prime is 904459. The next prime is 904483. The reversal of 904481 is 184409.

904481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 654481 = 500^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 904481 - 2¹⁰ = 903457 is a prime.

It is a super-2 number, since 2×904481² = 1636171758722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 904481.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904481.

It is not an unprimeable number, because it can be changed into a prime (904483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15566 + ... + 15623.

It is an arithmetic number, because the mean of its divisors is an integer number (233925).

2⁹⁰⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

904481 is a deficient number, since it is larger than the sum of its proper divisors (31219).

904481 is a wasteful number, since it uses less digits than its factorization.

904481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31218.

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

The square root of 904481 is about 951.0420600583. The cubic root of 904481 is about 96.7089087411.

The spelling of 904481 in words is "nine hundred four thousand, four hundred eighty-one".