4491493 has 8 divisors (see below), whose sum is σ = 4600800. Its totient is φ = 4383408.

The previous prime is 4491481. The next prime is 4491503. The reversal of 4491493 is 3941944.

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

It is a cyclic number.

It is not a de Polignac number, because 4491493 - 2²¹ = 2394341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15730 + ... + 16012.

It is an arithmetic number, because the mean of its divisors is an integer number (575100).

Almost surely, 2^4491493 is an apocalyptic number.

It is an amenable number.

4491493 is a deficient number, since it is larger than the sum of its proper divisors (109307).

4491493 is a wasteful number, since it uses less digits than its factorization.

4491493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its digits is 15552, while the sum is 34.

The square root of 4491493 is about 2119.3142758921. The cubic root of 4491493 is about 164.9922616512.

The spelling of 4491493 in words is "four million, four hundred ninety-one thousand, four hundred ninety-three".