978874 has 8 divisors (see below), whose sum is σ = 1581300. Its totient is φ = 451776.

The previous prime is 978871. The next prime is 978883. The reversal of 978874 is 478879.

It can be written as a sum of positive squares in 2 ways, for example, as 970225 + 8649 = 985^2 + 93^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 978874.

It is not an unprimeable number, because it can be changed into a prime (978871) 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, 18799 + ... + 18850.

2⁹⁷⁸⁸⁷⁴ is an apocalyptic number.

978874 is a deficient number, since it is larger than the sum of its proper divisors (602426).

978874 is a wasteful number, since it uses less digits than its factorization.

978874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37664.

The product of its digits is 112896, while the sum is 43.

The square root of 978874 is about 989.3806143239. The cubic root of 978874 is about 99.2907819891.

The spelling of 978874 in words is "nine hundred seventy-eight thousand, eight hundred seventy-four".