978066 has 24 divisors (see below), whose sum is σ = 2153424. Its totient is φ = 320760.

The previous prime is 978053. The next prime is 978067. The reversal of 978066 is 660879.

It is a super-2 number, since 2×978066² = 1913226200712, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 978066.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978066.

It is not an unprimeable number, because it can be changed into a prime (978067) by changing a digit.

978066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 11 ways as a sum of consecutive naturals, for example, 801 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (89726).

2⁹⁷⁸⁰⁶⁶ is an apocalyptic number.

978066 is an abundant number, since it is smaller than the sum of its proper divisors (1175358).

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

978066 is a wasteful number, since it uses less digits than its factorization.

978066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 978066 is about 988.9721937446. The cubic root of 978066 is about 99.2634550005.

The spelling of 978066 in words is "nine hundred seventy-eight thousand, sixty-six".