283442 has 8 divisors (see below), whose sum is σ = 447600. Its totient is φ = 134244.

The previous prime is 283411. The next prime is 283447. The reversal of 283442 is 244382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283442.

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

283442 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 3 ways as a sum of consecutive naturals, for example, 3692 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (55950).

2²⁸³⁴⁴² is an apocalyptic number.

283442 is a deficient number, since it is larger than the sum of its proper divisors (164158).

283442 is a wasteful number, since it uses less digits than its factorization.

283442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480.

The product of its digits is 1536, while the sum is 23.

The square root of 283442 is about 532.3927121966. The cubic root of 283442 is about 65.6883068614.

Subtracting from 283442 its reverse (244382), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 283442 in words is "two hundred eighty-three thousand, four hundred forty-two".