978064 has 10 divisors (see below), whose sum is σ = 1895030. Its totient is φ = 489024.

The previous prime is 978053. The next prime is 978067. The reversal of 978064 is 460879.

978064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 369664 = 780^2 + 608^2 .

It is a nialpdrome in base 16.

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

978064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30549 + ... + 30580.

It is an arithmetic number, because the mean of its divisors is an integer number (189503).

2⁹⁷⁸⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

978064 is a deficient number, since it is larger than the sum of its proper divisors (916966).

978064 is a wasteful number, since it uses less digits than its factorization.

978064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61137 (or 61131 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 978064 is about 988.9711825933. The cubic root of 978064 is about 99.2633873407.

The spelling of 978064 in words is "nine hundred seventy-eight thousand, sixty-four".