382978 has 8 divisors (see below), whose sum is σ = 585468. Its totient is φ = 187824.

The previous prime is 382961. The next prime is 382979. The reversal of 382978 is 879283.

It can be written as a sum of positive squares in 2 ways, for example, as 356409 + 26569 = 597^2 + 163^2 .

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

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (382979) 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, 1701 + ... + 1912.

2³⁸²⁹⁷⁸ is an apocalyptic number.

382978 is a deficient number, since it is larger than the sum of its proper divisors (202490).

382978 is a wasteful number, since it uses less digits than its factorization.

382978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668.

The product of its digits is 24192, while the sum is 37.

The square root of 382978 is about 618.8521632830. The cubic root of 382978 is about 72.6202838794.

The spelling of 382978 in words is "three hundred eighty-two thousand, nine hundred seventy-eight".