288678 has 16 divisors (see below), whose sum is σ = 621936. Its totient is φ = 88800.

The previous prime is 288661. The next prime is 288679. The reversal of 288678 is 876882.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 288678.

It is not an unprimeable number, because it can be changed into a prime (288679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773 + ... + 1928.

It is an arithmetic number, because the mean of its divisors is an integer number (38871).

2²⁸⁸⁶⁷⁸ is an apocalyptic number.

288678 is an abundant number, since it is smaller than the sum of its proper divisors (333258).

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

288678 is a wasteful number, since it uses less digits than its factorization.

288678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its digits is 43008, while the sum is 39.

The square root of 288678 is about 537.2876324651. The cubic root of 288678 is about 66.0903262790.

The spelling of 288678 in words is "two hundred eighty-eight thousand, six hundred seventy-eight".