288886 has 16 divisors (see below), whose sum is σ = 479808. Its totient is φ = 129600.

The previous prime is 288877. The next prime is 288907. The reversal of 288886 is 688882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (29988).

2²⁸⁸⁸⁸⁶ is an apocalyptic number.

288886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

288886 is a deficient number, since it is larger than the sum of its proper divisors (190922).

288886 is a wasteful number, since it uses less digits than its factorization.

288886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its digits is 49152, while the sum is 40.

The square root of 288886 is about 537.4811624606. The cubic root of 288886 is about 66.1061957339.

It can be divided in two parts, 2 and 88886, that added together give a palindrome (88888).

The spelling of 288886 in words is "two hundred eighty-eight thousand, eight hundred eighty-six".