978382 has 4 divisors (see below), whose sum is σ = 1467576. Its totient is φ = 489190.

The previous prime is 978359. The next prime is 978389. The reversal of 978382 is 283879.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244594 + ... + 244597.

It is an arithmetic number, because the mean of its divisors is an integer number (366894).

2⁹⁷⁸³⁸² is an apocalyptic number.

978382 is a deficient number, since it is larger than the sum of its proper divisors (489194).

978382 is a wasteful number, since it uses less digits than its factorization.

978382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489193.

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

The square root of 978382 is about 989.1319426649. The cubic root of 978382 is about 99.2741440795.

The spelling of 978382 in words is "nine hundred seventy-eight thousand, three hundred eighty-two".