4491468 has 72 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 1367040.

The previous prime is 4491439. The next prime is 4491469. The reversal of 4491468 is 8641944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4491469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25003 + ... + 25181.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

Almost surely, 2^4491468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4491468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6191640).

4491468 is an abundant number, since it is smaller than the sum of its proper divisors (7891812).

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

4491468 is a wasteful number, since it uses less digits than its factorization.

4491468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 242 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4491468 is about 2119.3083777497. The cubic root of 4491468 is about 164.9919555307.

The spelling of 4491468 in words is "four million, four hundred ninety-one thousand, four hundred sixty-eight".