288662 has 8 divisors (see below), whose sum is σ = 472392. Its totient is φ = 131200.

The previous prime is 288661. The next prime is 288679. The reversal of 288662 is 266882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁹ + 8 + 6 + 8 + 6⁷ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6539 + ... + 6582.

It is an arithmetic number, because the mean of its divisors is an integer number (59049).

2²⁸⁸⁶⁶² is an apocalyptic number.

288662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

288662 is a deficient number, since it is larger than the sum of its proper divisors (183730).

288662 is a wasteful number, since it uses less digits than its factorization.

288662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134.

The product of its digits is 9216, while the sum is 32.

The square root of 288662 is about 537.2727426550. The cubic root of 288662 is about 66.0891052360.

The spelling of 288662 in words is "two hundred eighty-eight thousand, six hundred sixty-two".