288995 has 16 divisors (see below), whose sum is σ = 414720. Its totient is φ = 189024.

The previous prime is 288991. The next prime is 288997. The reversal of 288995 is 599882.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 288995 - 2² = 288991 is a prime.

It is a super-2 number, since 2×288995² = 167036220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (288991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2²⁸⁸⁹⁹⁵ is an apocalyptic number.

288995 is a deficient number, since it is larger than the sum of its proper divisors (125725).

288995 is a wasteful number, since it uses less digits than its factorization.

288995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 51840, while the sum is 41.

The square root of 288995 is about 537.5825518002. The cubic root of 288995 is about 66.1145088970.

The spelling of 288995 in words is "two hundred eighty-eight thousand, nine hundred ninety-five".