230978 has 8 divisors (see below), whose sum is σ = 378000. Its totient is φ = 104980.

The previous prime is 230977. The next prime is 230999. The reversal of 230978 is 879032.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230978.

It is not an unprimeable number, because it can be changed into a prime (230977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5228 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (47250).

2²³⁰⁹⁷⁸ is an apocalyptic number.

230978 is a deficient number, since it is larger than the sum of its proper divisors (147022).

230978 is a wasteful number, since it uses less digits than its factorization.

230978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 230978 is about 480.6017061976. The cubic root of 230978 is about 61.3559764642.

The spelling of 230978 in words is "two hundred thirty thousand, nine hundred seventy-eight".