288893 has 4 divisors (see below), whose sum is σ = 315168. Its totient is φ = 262620.

The previous prime is 288877. The next prime is 288907. The reversal of 288893 is 398882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 288893 - 2⁴ = 288877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13121 + ... + 13142.

It is an arithmetic number, because the mean of its divisors is an integer number (78792).

2²⁸⁸⁸⁹³ is an apocalyptic number.

It is an amenable number.

288893 is a deficient number, since it is larger than the sum of its proper divisors (26275).

288893 is a wasteful number, since it uses less digits than its factorization.

288893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26274.

The product of its digits is 27648, while the sum is 38.

The square root of 288893 is about 537.4876742773. The cubic root of 288893 is about 66.1067296696.

The spelling of 288893 in words is "two hundred eighty-eight thousand, eight hundred ninety-three".