904230 has 64 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 225792.

The previous prime is 904219. The next prime is 904261. The reversal of 904230 is 32409.

904230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904230.

It is an unprimeable number.

904230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4492 + ... + 4688.

It is an arithmetic number, because the mean of its divisors is an integer number (40095).

2⁹⁰⁴²³⁰ is an apocalyptic number.

904230 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 904230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283040).

904230 is an abundant number, since it is smaller than the sum of its proper divisors (1661850).

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

904230 is a wasteful number, since it uses less digits than its factorization.

904230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 904230 is about 950.9100903871. The cubic root of 904230 is about 96.6999621070.

Adding to 904230 its reverse (32409), we get a palindrome (936639).

The spelling of 904230 in words is "nine hundred four thousand, two hundred thirty".