4449916 has 24 divisors (see below), whose sum is σ = 8101296. Its totient is φ = 2136960.

The previous prime is 4449901. The next prime is 4449919. The reversal of 4449916 is 6199444.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15696 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (337554).

Almost surely, 2^4449916 is an apocalyptic number.

It is an amenable number.

4449916 is a deficient number, since it is larger than the sum of its proper divisors (3651380).

4449916 is a wasteful number, since it uses less digits than its factorization.

4449916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 4449916 is about 2109.4824009695. The cubic root of 4449916 is about 164.4815807020.

The spelling of 4449916 in words is "four million, four hundred forty-nine thousand, nine hundred sixteen".