19190680 has 32 divisors (see below), whose sum is σ = 43732800. Its totient is φ = 7577856.

The previous prime is 19190669. The next prime is 19190683. The reversal of 19190680 is 8609191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19190683) 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 7 ways as a sum of consecutive naturals, for example, 124 + ... + 6196.

It is an arithmetic number, because the mean of its divisors is an integer number (1366650).

Almost surely, 2^19190680 is an apocalyptic number.

19190680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19190680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21866400).

19190680 is an abundant number, since it is smaller than the sum of its proper divisors (24542120).

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

19190680 is a wasteful number, since it uses less digits than its factorization.

19190680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 19190680 is about 4380.7168363180. The cubic root of 19190680 is about 267.7298458322.

The spelling of 19190680 in words is "nineteen million, one hundred ninety thousand, six hundred eighty".