288396 has 18 divisors (see below), whose sum is σ = 729092. Its totient is φ = 96120.

The previous prime is 288389. The next prime is 288403. The reversal of 288396 is 693882.

It is an interprime number because it is at equal distance from previous prime (288389) and next prime (288403).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8011 = 288396 / (2 + 8 + 8 + 3 + 9 + 6).

It is a d-powerful number, because it can be written as 2¹³ + 8 + 3⁵ + 8 + 9 + 6⁷ .

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 288396.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288396.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3970 + ... + 4041.

2²⁸⁸³⁹⁶ is an apocalyptic number.

It is an amenable number.

288396 is an abundant number, since it is smaller than the sum of its proper divisors (440696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288396 is a wasteful number, since it uses less digits than its factorization.

288396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021 (or 8016 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 288396 is about 537.0251390764. The cubic root of 288396 is about 66.0687987822.

The spelling of 288396 in words is "two hundred eighty-eight thousand, three hundred ninety-six".