323978 has 8 divisors (see below), whose sum is σ = 507168. Its totient is φ = 154924.

The previous prime is 323957. The next prime is 323987. The reversal of 323978 is 879323.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3476 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (63396).

2³²³⁹⁷⁸ is an apocalyptic number.

323978 is a deficient number, since it is larger than the sum of its proper divisors (183190).

323978 is a wasteful number, since it uses less digits than its factorization.

323978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068.

The product of its digits is 9072, while the sum is 32.

The square root of 323978 is about 569.1906534721. The cubic root of 323978 is about 68.6812999678.

The spelling of 323978 in words is "three hundred twenty-three thousand, nine hundred seventy-eight".