19371242 has 16 divisors (see below), whose sum is σ = 32437152. Its totient is φ = 8599920.

The previous prime is 19371227. The next prime is 19371259. The reversal of 19371242 is 24217391.

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, 9293 + ... + 11184.

It is an arithmetic number, because the mean of its divisors is an integer number (2027322).

Almost surely, 2^19371242 is an apocalyptic number.

19371242 is a deficient number, since it is larger than the sum of its proper divisors (13065910).

19371242 is a wasteful number, since it uses less digits than its factorization.

19371242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20533.

The product of its digits is 3024, while the sum is 29.

The square root of 19371242 is about 4401.2773145986. The cubic root of 19371242 is about 268.5669016407.

The spelling of 19371242 in words is "nineteen million, three hundred seventy-one thousand, two hundred forty-two".