19028195 has 4 divisors (see below), whose sum is σ = 22833840. Its totient is φ = 15222552.

The previous prime is 19028189. The next prime is 19028221. The reversal of 19028195 is 59182091.

19028195 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19028195 - 2¹² = 19024099 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1902815 + ... + 1902824.

It is an arithmetic number, because the mean of its divisors is an integer number (5708460).

Almost surely, 2^19028195 is an apocalyptic number.

19028195 is a deficient number, since it is larger than the sum of its proper divisors (3805645).

19028195 is an equidigital number, since it uses as much as digits as its factorization.

19028195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805644.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 19028195 is about 4362.1319328970. The cubic root of 19028195 is about 266.9720918896.

The spelling of 19028195 in words is "nineteen million, twenty-eight thousand, one hundred ninety-five".