288373 has 4 divisors (see below), whose sum is σ = 293868. Its totient is φ = 282880.

The previous prime is 288361. The next prime is 288383. The reversal of 288373 is 373882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 79524 = 457^2 + 282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288373 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 8⁴ + 3⁷ + 8⁶ + 7 + 3⁹ .

It is a Duffinian number.

288373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288313) 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, 2668 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (73467).

2²⁸⁸³⁷³ is an apocalyptic number.

It is an amenable number.

288373 is a deficient number, since it is larger than the sum of its proper divisors (5495).

288373 is an equidigital number, since it uses as much as digits as its factorization.

288373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494.

The product of its digits is 8064, while the sum is 31.

The square root of 288373 is about 537.0037243819. The cubic root of 288373 is about 66.0670423747.

The spelling of 288373 in words is "two hundred eighty-eight thousand, three hundred seventy-three".