288236 has 24 divisors (see below), whose sum is σ = 569184. Its totient is φ = 126720.

The previous prime is 288227. The next prime is 288241. The reversal of 288236 is 632882.

It is a junction number, because it is equal to n+sod(n) for n = 288199 and 288208.

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, 1076 + ... + 1316.

It is an arithmetic number, because the mean of its divisors is an integer number (23716).

2²⁸⁸²³⁶ is an apocalyptic number.

288236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

288236 is a deficient number, since it is larger than the sum of its proper divisors (280948).

288236 is a wasteful number, since it uses less digits than its factorization.

288236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 288236 is about 536.8761495913. The cubic root of 288236 is about 66.0565783593.

The spelling of 288236 in words is "two hundred eighty-eight thousand, two hundred thirty-six".