19794044 has 12 divisors (see below), whose sum is σ = 34671000. Its totient is φ = 9888048.

The previous prime is 19794043. The next prime is 19794059. The reversal of 19794044 is 44049791.

It is a junction number, because it is equal to n+sod(n) for n = 19793989 and 19794007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19794043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6527 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (2889250).

Almost surely, 2^19794044 is an apocalyptic number.

It is an amenable number.

19794044 is a deficient number, since it is larger than the sum of its proper divisors (14876956).

19794044 is a wasteful number, since it uses less digits than its factorization.

19794044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492 (or 4490 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 19794044 is about 4449.0497861903. The cubic root of 19794044 is about 270.5067939158.

The spelling of 19794044 in words is "nineteen million, seven hundred ninety-four thousand, forty-four".