978118 has 8 divisors (see below), whose sum is σ = 1471680. Its totient is φ = 487560.

The previous prime is 978113. The next prime is 978149. The reversal of 978118 is 811879.

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

It is a nialpdrome in base 16.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978113) 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, 448 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (183960).

2⁹⁷⁸¹¹⁸ is an apocalyptic number.

978118 is a deficient number, since it is larger than the sum of its proper divisors (493562).

978118 is a wasteful number, since it uses less digits than its factorization.

978118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its digits is 4032, while the sum is 34.

The square root of 978118 is about 988.9984833153. The cubic root of 978118 is about 99.2652141211.

The spelling of 978118 in words is "nine hundred seventy-eight thousand, one hundred eighteen".