288488 has 8 divisors (see below), whose sum is σ = 540930. Its totient is φ = 144240.

The previous prime is 288481. The next prime is 288493. The reversal of 288488 is 884882.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 20164 = 518^2 + 142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×288488² = 166450652288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (288481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18023 + ... + 18038.

2²⁸⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

288488 is a deficient number, since it is larger than the sum of its proper divisors (252442).

288488 is a wasteful number, since it uses less digits than its factorization.

288488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36067 (or 36063 counting only the distinct ones).

The product of its digits is 32768, while the sum is 38.

The square root of 288488 is about 537.1107893163. The cubic root of 288488 is about 66.0758234789.

The spelling of 288488 in words is "two hundred eighty-eight thousand, four hundred eighty-eight".