19189342 has 8 divisors (see below), whose sum is σ = 28878696. Its totient is φ = 9563112.

The previous prime is 19189327. The next prime is 19189349. The reversal of 19189342 is 24398191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19189349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15013 + ... + 16240.

It is an arithmetic number, because the mean of its divisors is an integer number (3609837).

Almost surely, 2^19189342 is an apocalyptic number.

19189342 is a deficient number, since it is larger than the sum of its proper divisors (9689354).

19189342 is a wasteful number, since it uses less digits than its factorization.

19189342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31562.

The product of its digits is 15552, while the sum is 37.

The square root of 19189342 is about 4380.5641189235. The cubic root of 19189342 is about 267.7236235261.

The spelling of 19189342 in words is "nineteen million, one hundred eighty-nine thousand, three hundred forty-two".