978116 has 6 divisors (see below), whose sum is σ = 1711710. Its totient is φ = 489056.

The previous prime is 978113. The next prime is 978149. The reversal of 978116 is 611879.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 409600 = 754^2 + 640^2 .

It is an Ulam number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (978113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122261 + ... + 122268.

It is an arithmetic number, because the mean of its divisors is an integer number (285285).

2⁹⁷⁸¹¹⁶ is an apocalyptic number.

It is an amenable number.

978116 is a deficient number, since it is larger than the sum of its proper divisors (733594).

978116 is a wasteful number, since it uses less digits than its factorization.

978116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244533 (or 244531 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 978116 is about 988.9974721909. The cubic root of 978116 is about 99.2651464637.

It can be divided in two parts, 9 and 78116, that added together give a 7-th power (78125 = 5⁷).

The spelling of 978116 in words is "nine hundred seventy-eight thousand, one hundred sixteen".