283869 has 6 divisors (see below), whose sum is σ = 410046. Its totient is φ = 189240.

The previous prime is 283861. The next prime is 283873. The reversal of 283869 is 968382.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 131769 = 390^2 + 363^2 .

It is not a de Polignac number, because 283869 - 2³ = 283861 is a prime.

It is a super-2 number, since 2×283869² = 161163218322, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283869.

It is not an unprimeable number, because it can be changed into a prime (283861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15762 + ... + 15779.

It is an arithmetic number, because the mean of its divisors is an integer number (68341).

2²⁸³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

283869 is a deficient number, since it is larger than the sum of its proper divisors (126177).

283869 is a wasteful number, since it uses less digits than its factorization.

283869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31547 (or 31544 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 283869 is about 532.7935810424. The cubic root of 283869 is about 65.7212763740.

The spelling of 283869 in words is "two hundred eighty-three thousand, eight hundred sixty-nine".