288738 has 16 divisors (see below), whose sum is σ = 641760. Its totient is φ = 96228.

The previous prime is 288733. The next prime is 288751. The reversal of 288738 is 837882.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (288731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (40110).

2²⁸⁸⁷³⁸ is an apocalyptic number.

288738 is an abundant number, since it is smaller than the sum of its proper divisors (353022).

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

288738 is a wasteful number, since it uses less digits than its factorization.

288738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358 (or 5352 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 288738 is about 537.3434655786. The cubic root of 288738 is about 66.0949047884.

The spelling of 288738 in words is "two hundred eighty-eight thousand, seven hundred thirty-eight".