4548978 has 48 divisors (see below), whose sum is σ = 11431680. Its totient is φ = 1280448.

The previous prime is 4548967. The next prime is 4548983. The reversal of 4548978 is 8798454.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 9726 + ... + 10182.

It is an arithmetic number, because the mean of its divisors is an integer number (238160).

Almost surely, 2^4548978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4548978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5715840).

4548978 is an abundant number, since it is smaller than the sum of its proper divisors (6882702).

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

4548978 is a wasteful number, since it uses less digits than its factorization.

4548978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4548978 is about 2132.8333268214. The cubic root of 4548978 is about 165.6931720312.

It can be divided in two parts, 4 and 548978, that multiplied together give a palindrome (2195912).

The spelling of 4548978 in words is "four million, five hundred forty-eight thousand, nine hundred seventy-eight".