288536 has 8 divisors (see below), whose sum is σ = 541020. Its totient is φ = 144264.

The previous prime is 288529. The next prime is 288539. The reversal of 288536 is 635882.

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

It is a d-powerful number, because it can be written as 2⁸ + 8⁴ + 5³ + 8⁴ + 3³ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18026 + ... + 18041.

2²⁸⁸⁵³⁶ is an apocalyptic number.

It is an amenable number.

288536 is a deficient number, since it is larger than the sum of its proper divisors (252484).

288536 is a wasteful number, since it uses less digits than its factorization.

288536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36073 (or 36069 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 288536 is about 537.1554709765. The cubic root of 288536 is about 66.0794879452.

The spelling of 288536 in words is "two hundred eighty-eight thousand, five hundred thirty-six".