4491365 has 8 divisors (see below), whose sum is σ = 5419008. Its totient is φ = 3573520.

The previous prime is 4491359. The next prime is 4491401. The reversal of 4491365 is 5631944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4491365 - 2⁶ = 4491301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (677376).

Almost surely, 2^4491365 is an apocalyptic number.

It is an amenable number.

4491365 is a deficient number, since it is larger than the sum of its proper divisors (927643).

4491365 is a wasteful number, since it uses less digits than its factorization.

4491365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899.

The product of its digits is 12960, while the sum is 32.

The square root of 4491365 is about 2119.2840772299. The cubic root of 4491365 is about 164.9906943022.

The spelling of 4491365 in words is "four million, four hundred ninety-one thousand, three hundred sixty-five".