4491363 has 4 divisors (see below), whose sum is σ = 5988488. Its totient is φ = 2994240.

The previous prime is 4491359. The next prime is 4491401. The reversal of 4491363 is 3631944.

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

It is not a de Polignac number, because 4491363 - 2² = 4491359 is a prime.

It is a D-number.

It is a Duffinian number.

4491363 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4491363.

It is not an unprimeable number, because it can be changed into a prime (4491313) 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, 748558 + ... + 748563.

It is an arithmetic number, because the mean of its divisors is an integer number (1497122).

Almost surely, 2^4491363 is an apocalyptic number.

4491363 is a deficient number, since it is larger than the sum of its proper divisors (1497125).

4491363 is a wasteful number, since it uses less digits than its factorization.

4491363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497124.

The product of its digits is 7776, while the sum is 30.

The square root of 4491363 is about 2119.2836053723. The cubic root of 4491363 is about 164.9906698122.

The spelling of 4491363 in words is "four million, four hundred ninety-one thousand, three hundred sixty-three".