4491499 has 4 divisors (see below), whose sum is σ = 4501000. Its totient is φ = 4482000.

The previous prime is 4491481. The next prime is 4491503. The reversal of 4491499 is 9941944.

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 4491499 - 2⁹ = 4490987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4491419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4002 + ... + 4999.

It is an arithmetic number, because the mean of its divisors is an integer number (1125250).

Almost surely, 2^4491499 is an apocalyptic number.

4491499 is a deficient number, since it is larger than the sum of its proper divisors (9501).

4491499 is an equidigital number, since it uses as much as digits as its factorization.

4491499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500.

The product of its digits is 46656, while the sum is 40.

The square root of 4491499 is about 2119.3156914438. The cubic root of 4491499 is about 164.9923351199.

It can be divided in two parts, 4491 and 499, that multiplied together give a square (2241009 = 1497²).

The spelling of 4491499 in words is "four million, four hundred ninety-one thousand, four hundred ninety-nine".