4491115 has 4 divisors (see below), whose sum is σ = 5389344. Its totient is φ = 3592888.

The previous prime is 4491107. The next prime is 4491121. The reversal of 4491115 is 5111944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4491115 - 2³ = 4491107 is a prime.

It is a super-2 number, since 2×4491115² = 40340227886450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4491115.

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 3 ways as a sum of consecutive naturals, for example, 449107 + ... + 449116.

It is an arithmetic number, because the mean of its divisors is an integer number (1347336).

Almost surely, 2^4491115 is an apocalyptic number.

4491115 is a deficient number, since it is larger than the sum of its proper divisors (898229).

4491115 is an equidigital number, since it uses as much as digits as its factorization.

4491115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898228.

The product of its digits is 720, while the sum is 25.

The square root of 4491115 is about 2119.2250942267. The cubic root of 4491115 is about 164.9876329880.

The spelling of 4491115 in words is "four million, four hundred ninety-one thousand, one hundred fifteen".