283404 has 48 divisors (see below), whose sum is σ = 766080. Its totient is φ = 80640.

The previous prime is 283403. The next prime is 283411. The reversal of 283404 is 404382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (283403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2²⁸³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383040).

283404 is an abundant number, since it is smaller than the sum of its proper divisors (482676).

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

283404 is a wasteful number, since it uses less digits than its factorization.

283404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 283404 is about 532.3570230588. The cubic root of 283404 is about 65.6853712023.

Adding to 283404 its reverse (404382), we get a palindrome (687786).

The spelling of 283404 in words is "two hundred eighty-three thousand, four hundred four".