978852 has 48 divisors (see below), whose sum is σ = 2680832. Its totient is φ = 272160.

The previous prime is 978851. The next prime is 978853. The reversal of 978852 is 258879.

It is an interprime number because it is at equal distance from previous prime (978851) and next prime (978853).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 978852.

It is not an unprimeable number, because it can be changed into a prime (978851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477 + ... + 3747.

2⁹⁷⁸⁸⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340416).

978852 is an abundant number, since it is smaller than the sum of its proper divisors (1701980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978852 is a wasteful number, since it uses less digits than its factorization.

978852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 978852 is about 989.3694961944. The cubic root of 978852 is about 99.2900381366.

It can be divided in two parts, 978 and 852, that added together give a triangular number (1830 = T₆₀).

The spelling of 978852 in words is "nine hundred seventy-eight thousand, eight hundred fifty-two".