978054 has 64 divisors (see below), whose sum is σ = 2557440. Its totient is φ = 241920.

The previous prime is 978053. The next prime is 978067. The reversal of 978054 is 450879.

978054 = 28² + 29² + ... + 143².

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978053) 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 in 31 ways as a sum of consecutive naturals, for example, 13362 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁹⁷⁸⁰⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278720).

978054 is an abundant number, since it is smaller than the sum of its proper divisors (1579386).

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

978054 is a wasteful number, since it uses less digits than its factorization.

978054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 978054 is about 988.9661268213. The cubic root of 978054 is about 99.2630490407.

The spelling of 978054 in words is "nine hundred seventy-eight thousand, fifty-four".