19199080 has 32 divisors (see below), whose sum is σ = 43691400. Its totient is φ = 7591936.

The previous prime is 19199071. The next prime is 19199083. The reversal of 19199080 is 8099191.

It can be written as a sum of positive squares in 4 ways, for example, as 16990884 + 2208196 = 4122^2 + 1486^2 .

It is not an unprimeable number, because it can be changed into a prime (19199083) 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, 864 + ... + 6256.

Almost surely, 2^19199080 is an apocalyptic number.

19199080 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 19199080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21845700).

19199080 is an abundant number, since it is smaller than the sum of its proper divisors (24492320).

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

19199080 is a wasteful number, since it uses less digits than its factorization.

19199080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 19199080 is about 4381.6754786269. The cubic root of 19199080 is about 267.7689030318.

The spelling of 19199080 in words is "nineteen million, one hundred ninety-nine thousand, eighty".