978020 has 24 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 385632.

The previous prime is 978017. The next prime is 978031. The reversal of 978020 is 20879.

It is a nialpdrome in base 16.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1271 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

2⁹⁷⁸⁰²⁰ is an apocalyptic number.

It is an amenable number.

978020 is an abundant number, since it is smaller than the sum of its proper divisors (1105180).

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

978020 is a wasteful number, since it uses less digits than its factorization.

978020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 978020 is about 988.9489370033. The cubic root of 978020 is about 99.2618988033.

Adding to 978020 its reverse (20879), we get a palindrome (998899).

The spelling of 978020 in words is "nine hundred seventy-eight thousand, twenty".