19794056 has 16 divisors (see below), whose sum is σ = 37195200. Its totient is φ = 9875344.

The previous prime is 19794043. The next prime is 19794059. The reversal of 19794056 is 65049791.

It is a super-2 number, since 2×19794056² = 783609305862272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19794059) 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, 1565 + ... + 6483.

It is an arithmetic number, because the mean of its divisors is an integer number (2324700).

Almost surely, 2^19794056 is an apocalyptic number.

It is an amenable number.

19794056 is a deficient number, since it is larger than the sum of its proper divisors (17401144).

19794056 is a wasteful number, since it uses less digits than its factorization.

19794056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5424 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 19794056 is about 4449.0511347927. The cubic root of 19794056 is about 270.5068485800.

The spelling of 19794056 in words is "nineteen million, seven hundred ninety-four thousand, fifty-six".