288978 has 8 divisors (see below), whose sum is σ = 577968. Its totient is φ = 96324.

The previous prime is 288973. The next prime is 288979. The reversal of 288978 is 879882.

It is a happy number.

288978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

288978 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (288973) 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, 24076 + ... + 24087.

It is an arithmetic number, because the mean of its divisors is an integer number (72246).

2²⁸⁸⁹⁷⁸ is an apocalyptic number.

288978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

288978 is a wasteful number, since it uses less digits than its factorization.

288978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48168.

The product of its digits is 64512, while the sum is 42.

The square root of 288978 is about 537.5667400426. The cubic root of 288978 is about 66.1132124862.

The spelling of 288978 in words is "two hundred eighty-eight thousand, nine hundred seventy-eight".