19416442 has 16 divisors (see below), whose sum is σ = 30967200. Its totient is φ = 9104400.

The previous prime is 19416433. The next prime is 19416469. The reversal of 19416442 is 24461491.

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 7 ways as a sum of consecutive naturals, for example, 1309 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (1935450).

Almost surely, 2^19416442 is an apocalyptic number.

19416442 is a deficient number, since it is larger than the sum of its proper divisors (11550758).

19416442 is a wasteful number, since it uses less digits than its factorization.

19416442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181.

The product of its digits is 6912, while the sum is 31.

The square root of 19416442 is about 4406.4091957057. The cubic root of 19416442 is about 268.7756267612.

The spelling of 19416442 in words is "nineteen million, four hundred sixteen thousand, four hundred forty-two".