4449993 has 4 divisors (see below), whose sum is σ = 5933328. Its totient is φ = 2966660.

The previous prime is 4449983. The next prime is 4449997. The reversal of 4449993 is 3999444.

4449993 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4449993 - 2⁹ = 4449481 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4449997) 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, 741663 + ... + 741668.

It is an arithmetic number, because the mean of its divisors is an integer number (1483332).

Almost surely, 2^4449993 is an apocalyptic number.

It is an amenable number.

4449993 is a deficient number, since it is larger than the sum of its proper divisors (1483335).

4449993 is a wasteful number, since it uses less digits than its factorization.

4449993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483334.

The product of its digits is 139968, while the sum is 42.

The square root of 4449993 is about 2109.5006518131. The cubic root of 4449993 is about 164.4825294097.

The spelling of 4449993 in words is "four million, four hundred forty-nine thousand, nine hundred ninety-three".