288994 has 4 divisors (see below), whose sum is σ = 433494. Its totient is φ = 144496.

The previous prime is 288991. The next prime is 288997. The reversal of 288994 is 499882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (288991) and next prime (288997).

It can be written as a sum of positive squares in only one way, i.e., 288369 + 625 = 537^2 + 25^2 .

It is not an unprimeable number, because it can be changed into a prime (288991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72247 + ... + 72250.

2²⁸⁸⁹⁹⁴ is an apocalyptic number.

288994 is a deficient number, since it is larger than the sum of its proper divisors (144500).

288994 is a wasteful number, since it uses less digits than its factorization.

288994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144499.

The product of its digits is 41472, while the sum is 40.

The square root of 288994 is about 537.5816217097. The cubic root of 288994 is about 66.1144326389.

The spelling of 288994 in words is "two hundred eighty-eight thousand, nine hundred ninety-four".