286552 has 48 divisors (see below), whose sum is σ = 677160. Its totient is φ = 112896.

The previous prime is 286547. The next prime is 286553. The reversal of 286552 is 255682.

It is a super-2 number, since 2×286552² = 164224097408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

Its product of digits (4800) is a multiple of the sum of its prime factors (80).

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 286552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6643 + ... + 6685.

2²⁸⁶⁵⁵² 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 286552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338580).

286552 is an abundant number, since it is smaller than the sum of its proper divisors (390608).

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

286552 is a wasteful number, since it uses less digits than its factorization.

286552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 69 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 286552 is about 535.3055202405. The cubic root of 286552 is about 65.9276832641.

It can be divided in two parts, 286 and 552, that added together give a palindrome (838).

The spelling of 286552 in words is "two hundred eighty-six thousand, five hundred fifty-two".