19089942 has 8 divisors (see below), whose sum is σ = 38179896. Its totient is φ = 6363312.

The previous prime is 19089919. The next prime is 19089947. The reversal of 19089942 is 24998091.

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

19089942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19089894 and 19089903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19089947) 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, 1590823 + ... + 1590834.

It is an arithmetic number, because the mean of its divisors is an integer number (4772487).

Almost surely, 2^19089942 is an apocalyptic number.

19089942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19089942 is a wasteful number, since it uses less digits than its factorization.

19089942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181662.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 19089942 is about 4369.2038176309. The cubic root of 19089942 is about 267.2605572732.

The spelling of 19089942 in words is "nineteen million, eighty-nine thousand, nine hundred forty-two".