4444919 has 4 divisors (see below), whose sum is σ = 4449144. Its totient is φ = 4440696.

The previous prime is 4444907. The next prime is 4444943. The reversal of 4444919 is 9194444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4444919 - 2⁸ = 4444663 is a prime.

It is a super-2 number, since 2×4444919² = 39514609833122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444949) 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, 869 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (1112286).

Almost surely, 2^4444919 is an apocalyptic number.

4444919 is a deficient number, since it is larger than the sum of its proper divisors (4225).

4444919 is a wasteful number, since it uses less digits than its factorization.

4444919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

The product of its digits is 20736, while the sum is 35.

The square root of 4444919 is about 2108.2976545071. The cubic root of 4444919 is about 164.4199898536.

The spelling of 4444919 in words is "four million, four hundred forty-four thousand, nine hundred nineteen".