19927056 has 20 divisors (see below), whose sum is σ = 51478352. Its totient is φ = 6642336.

The previous prime is 19927049. The next prime is 19927087. The reversal of 19927056 is 65072991.

19927056 is nontrivially palindromic in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207526 + ... + 207621.

Almost surely, 2^19927056 is an apocalyptic number.

19927056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19927056 is an abundant number, since it is smaller than the sum of its proper divisors (31551296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19927056 is a wasteful number, since it uses less digits than its factorization.

19927056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415158 (or 415152 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 19927056 is about 4463.9731181986. The cubic root of 19927056 is about 271.1113588539. Note that the first 3 decimals are identical.

The spelling of 19927056 in words is "nineteen million, nine hundred twenty-seven thousand, fifty-six".