4491293 has 4 divisors (see below), whose sum is σ = 4503708. Its totient is φ = 4478880.

The previous prime is 4491241. The next prime is 4491301. The reversal of 4491293 is 3921944.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2647129 + 1844164 = 1627^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 4491293 - 2⁸ = 4491037 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 (4491203) 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, 5648 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (1125927).

Almost surely, 2^4491293 is an apocalyptic number.

It is an amenable number.

4491293 is a deficient number, since it is larger than the sum of its proper divisors (12415).

4491293 is a wasteful number, since it uses less digits than its factorization.

4491293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its digits is 7776, while the sum is 32.

The square root of 4491293 is about 2119.2670902932. The cubic root of 4491293 is about 164.9898126554.

The spelling of 4491293 in words is "four million, four hundred ninety-one thousand, two hundred ninety-three".