19428196 has 12 divisors (see below), whose sum is σ = 35096320. Its totient is φ = 9400680.

The previous prime is 19428193. The next prime is 19428197. The reversal of 19428196 is 69182491.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19428193) 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 3 ways as a sum of consecutive naturals, for example, 78216 + ... + 78463.

Almost surely, 2^19428196 is an apocalyptic number.

It is an amenable number.

19428196 is a deficient number, since it is larger than the sum of its proper divisors (15668124).

19428196 is a wasteful number, since it uses less digits than its factorization.

19428196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156714 (or 156712 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 19428196 is about 4407.7427329643. The cubic root of 19428196 is about 268.8298514478.

The spelling of 19428196 in words is "nineteen million, four hundred twenty-eight thousand, one hundred ninety-six".