19444612 has 12 divisors (see below), whose sum is σ = 37121616. Its totient is φ = 8838440.

The previous prime is 19444609. The next prime is 19444613. The reversal of 19444612 is 21644491.

It is not an unprimeable number, because it can be changed into a prime (19444613) 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, 220918 + ... + 221005.

It is an arithmetic number, because the mean of its divisors is an integer number (3093468).

Almost surely, 2^19444612 is an apocalyptic number.

It is an amenable number.

19444612 is a deficient number, since it is larger than the sum of its proper divisors (17677004).

19444612 is a wasteful number, since it uses less digits than its factorization.

19444612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441938 (or 441936 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 19444612 is about 4409.6045174142. The cubic root of 19444612 is about 268.9055467322.

It can be divided in two parts, 1944 and 4612, that added together give a palindrome (6556).

The spelling of 19444612 in words is "nineteen million, four hundred forty-four thousand, six hundred twelve".