19094442 has 16 divisors (see below), whose sum is σ = 39221472. Its totient is φ = 6192720.

The previous prime is 19094431. The next prime is 19094443. The reversal of 19094442 is 24449091.

It is not an unprimeable number, because it can be changed into a prime (19094443) 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 7 ways as a sum of consecutive naturals, for example, 42784 + ... + 43227.

It is an arithmetic number, because the mean of its divisors is an integer number (2451342).

Almost surely, 2^19094442 is an apocalyptic number.

19094442 is an abundant number, since it is smaller than the sum of its proper divisors (20127030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19094442 is a wasteful number, since it uses less digits than its factorization.

19094442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86053.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 19094442 is about 4369.7187552519. The cubic root of 19094442 is about 267.2815557309.

The spelling of 19094442 in words is "nineteen million, ninety-four thousand, four hundred forty-two".