283956 has 12 divisors (see below), whose sum is σ = 662592. Its totient is φ = 94648.

The previous prime is 283949. The next prime is 283957. The reversal of 283956 is 659382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283957) by changing a digit.

283956 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, 11820 + ... + 11843.

It is an arithmetic number, because the mean of its divisors is an integer number (55216).

2²⁸³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

283956 is an abundant number, since it is smaller than the sum of its proper divisors (378636).

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

283956 is a wasteful number, since it uses less digits than its factorization.

283956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23670 (or 23668 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 283956 is about 532.8752199155. The cubic root of 283956 is about 65.7279897606.

The spelling of 283956 in words is "two hundred eighty-three thousand, nine hundred fifty-six".