19036442 has 16 divisors (see below), whose sum is σ = 30510240. Its totient is φ = 8881488.

The previous prime is 19036439. The next prime is 19036469. The reversal of 19036442 is 24463091.

It is a super-2 number, since 2×19036442² = 724772248038728, which contains 22 as substring.

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, 1193 + ... + 6284.

It is an arithmetic number, because the mean of its divisors is an integer number (1906890).

Almost surely, 2^19036442 is an apocalyptic number.

19036442 is a deficient number, since it is larger than the sum of its proper divisors (11473798).

19036442 is a wasteful number, since it uses less digits than its factorization.

19036442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 19036442 is about 4363.0771251492. The cubic root of 19036442 is about 267.0106557302.

The spelling of 19036442 in words is "nineteen million, thirty-six thousand, four hundred forty-two".