19786968 has 48 divisors (see below), whose sum is σ = 53898000. Its totient is φ = 6557760.

The previous prime is 19786937. The next prime is 19786973. The reversal of 19786968 is 86968791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13638 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (1122875).

Almost surely, 2^19786968 is an apocalyptic number.

19786968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19786968 is an abundant number, since it is smaller than the sum of its proper divisors (34111032).

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

19786968 is a wasteful number, since it uses less digits than its factorization.

19786968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1585 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 19786968 is about 4448.2544891227. The cubic root of 19786968 is about 270.4745563699.

The spelling of 19786968 in words is "nineteen million, seven hundred eighty-six thousand, nine hundred sixty-eight".