283942 has 4 divisors (see below), whose sum is σ = 425916. Its totient is φ = 141970.

The previous prime is 283937. The next prime is 283949. The reversal of 283942 is 249382.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 283942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70984 + ... + 70987.

It is an arithmetic number, because the mean of its divisors is an integer number (106479).

2²⁸³⁹⁴² is an apocalyptic number.

283942 is a deficient number, since it is larger than the sum of its proper divisors (141974).

283942 is a wasteful number, since it uses less digits than its factorization.

283942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141973.

The product of its digits is 3456, while the sum is 28.

The square root of 283942 is about 532.8620834700. The cubic root of 283942 is about 65.7269095381.

It can be divided in two parts, 283 and 942, that added together give a triangular number (1225 = T₄₉).

The spelling of 283942 in words is "two hundred eighty-three thousand, nine hundred forty-two".