288946 has 8 divisors (see below), whose sum is σ = 495360. Its totient is φ = 123828.

The previous prime is 288931. The next prime is 288947. The reversal of 288946 is 649882.

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

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (288947) by changing a digit.

288946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10306 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (61920).

2²⁸⁸⁹⁴⁶ is an apocalyptic number.

288946 is a deficient number, since it is larger than the sum of its proper divisors (206414).

288946 is a wasteful number, since it uses less digits than its factorization.

288946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648.

The product of its digits is 27648, while the sum is 37.

The square root of 288946 is about 537.5369754724. The cubic root of 288946 is about 66.1107720456.

It can be divided in two parts, 28894 and 6, that added together give a square (28900 = 170²).

The spelling of 288946 in words is "two hundred eighty-eight thousand, nine hundred forty-six".