19042798 has 8 divisors (see below), whose sum is σ = 28630008. Its totient is φ = 9499464.

The previous prime is 19042789. The next prime is 19042799. The reversal of 19042798 is 89724091.

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

It is a self number, because there is not a number n which added to its sum of digits gives 19042798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19042799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9861 + ... + 11632.

It is an arithmetic number, because the mean of its divisors is an integer number (3578751).

Almost surely, 2^19042798 is an apocalyptic number.

19042798 is a deficient number, since it is larger than the sum of its proper divisors (9587210).

19042798 is a wasteful number, since it uses less digits than its factorization.

19042798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 19042798 is about 4363.8054493756. The cubic root of 19042798 is about 267.0403694565.

The spelling of 19042798 in words is "nineteen million, forty-two thousand, seven hundred ninety-eight".