288895 has 8 divisors (see below), whose sum is σ = 365040. Its totient is φ = 218880.

The previous prime is 288877. The next prime is 288907. The reversal of 288895 is 598882.

288895 = 68² + 69² + ... + 105².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 288895 - 2⁷ = 288767 is a prime.

It is a super-3 number, since 3×288895³ = 72333808327552125, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (45630).

2²⁸⁸⁸⁹⁵ is an apocalyptic number.

288895 is a deficient number, since it is larger than the sum of its proper divisors (76145).

288895 is a wasteful number, since it uses less digits than its factorization.

288895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its digits is 46080, while the sum is 40.

The square root of 288895 is about 537.4895347818. The cubic root of 288895 is about 66.1068822211.

The spelling of 288895 in words is "two hundred eighty-eight thousand, eight hundred ninety-five".