4449999 has 4 divisors (see below), whose sum is σ = 5933336. Its totient is φ = 2966664.

The previous prime is 4449997. The next prime is 4450003. The reversal of 4449999 is 9999444.

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

It is not a de Polignac number, because 4449999 - 2¹ = 4449997 is a prime.

It is a super-2 number, since 2×4449999² = 39604982200002, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4449999 is a modest number, since divided by 9999 gives 444 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent 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, 741664 + ... + 741669.

It is an arithmetic number, because the mean of its divisors is an integer number (1483334).

Almost surely, 2^4449999 is an apocalyptic number.

4449999 is a deficient number, since it is larger than the sum of its proper divisors (1483337).

4449999 is a wasteful number, since it uses less digits than its factorization.

4449999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483336.

The product of its digits is 419904, while the sum is 48.

The square root of 4449999 is about 2109.5020739502. The cubic root of 4449999 is about 164.4826033345.

The spelling of 4449999 in words is "four million, four hundred forty-nine thousand, nine hundred ninety-nine".