283444 has 24 divisors (see below), whose sum is σ = 580608. Its totient is φ = 118560.

The previous prime is 283411. The next prime is 283447. The reversal of 283444 is 444382.

It is a super-2 number, since 2×283444² = 160681002272, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2²⁸³⁴⁴⁴ 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 283444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290304).

283444 is an abundant number, since it is smaller than the sum of its proper divisors (297164).

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

283444 is a wasteful number, since it uses less digits than its factorization.

283444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 253 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 283444 is about 532.3945905060. The cubic root of 283444 is about 65.6884613625.

It can be divided in two parts, 283 and 444, that added together give a palindrome (727).

The spelling of 283444 in words is "two hundred eighty-three thousand, four hundred forty-four".