904470 has 64 divisors (see below), whose sum is σ = 2557440. Its totient is φ = 200448.

The previous prime is 904459. The next prime is 904483. The reversal of 904470 is 74409.

It is a self number, because there is not a number n which added to its sum of digits gives 904470.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12354 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁹⁰⁴⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278720).

904470 is an abundant number, since it is smaller than the sum of its proper divisors (1652970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904470 is a wasteful number, since it uses less digits than its factorization.

904470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 904470 is about 951.0362769106. The cubic root of 904470 is about 96.7085166923.

Adding to 904470 its reverse (74409), we get a palindrome (978879).

It can be divided in two parts, 90 and 4470, that added together give a triangular number (4560 = T₉₅).

The spelling of 904470 in words is "nine hundred four thousand, four hundred seventy".