4491116 has 12 divisors (see below), whose sum is σ = 8982288. Its totient is φ = 1924752.

The previous prime is 4491107. The next prime is 4491121. The reversal of 4491116 is 6111944.

4491116 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80171 + ... + 80226.

It is an arithmetic number, because the mean of its divisors is an integer number (748524).

Almost surely, 2^4491116 is an apocalyptic number.

It is an amenable number.

4491116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4491116 is a wasteful number, since it uses less digits than its factorization.

4491116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160408 (or 160406 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 4491116 is about 2119.2253301619. The cubic root of 4491116 is about 164.9876452335.

The spelling of 4491116 in words is "four million, four hundred ninety-one thousand, one hundred sixteen".