288455 has 8 divisors (see below), whose sum is σ = 357504. Its totient is φ = 223200.

The previous prime is 288433. The next prime is 288461. The reversal of 288455 is 554882.

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

It is not a de Polignac number, because 288455 - 2⁸ = 288199 is a prime.

It is a Duffinian number.

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 288455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2²⁸⁸⁴⁵⁵ is an apocalyptic number.

288455 is a deficient number, since it is larger than the sum of its proper divisors (69049).

288455 is a wasteful number, since it uses less digits than its factorization.

288455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its digits is 12800, while the sum is 32.

The square root of 288455 is about 537.0800685187. The cubic root of 288455 is about 66.0733039226.

The spelling of 288455 in words is "two hundred eighty-eight thousand, four hundred fifty-five".