19199194 has 16 divisors (see below), whose sum is σ = 33107328. Its totient is φ = 8179632.

The previous prime is 19199183. The next prime is 19199203. The reversal of 19199194 is 49199191.

It is a self number, because there is not a number n which added to its sum of digits gives 19199194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (2069208).

Almost surely, 2^19199194 is an apocalyptic number.

19199194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19199194 is a deficient number, since it is larger than the sum of its proper divisors (13908134).

19199194 is a wasteful number, since it uses less digits than its factorization.

19199194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109.

The product of its digits is 26244, while the sum is 43.

The square root of 19199194 is about 4381.6884873300. The cubic root of 19199194 is about 267.7694330155.

The spelling of 19199194 in words is "nineteen million, one hundred ninety-nine thousand, one hundred ninety-four".