19371942 has 96 divisors (see below), whose sum is σ = 48016800. Its totient is φ = 5612544.

The previous prime is 19371907. The next prime is 19371983. The reversal of 19371942 is 24917391.

It is a junction number, because it is equal to n+sod(n) for n = 19371897 and 19371906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328309 + ... + 328367.

It is an arithmetic number, because the mean of its divisors is an integer number (500175).

Almost surely, 2^19371942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19371942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24008400).

19371942 is an abundant number, since it is smaller than the sum of its proper divisors (28644858).

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

19371942 is a wasteful number, since it uses less digits than its factorization.

19371942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 147 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 19371942 is about 4401.3568362495. The cubic root of 19371942 is about 268.5701365833.

The spelling of 19371942 in words is "nineteen million, three hundred seventy-one thousand, nine hundred forty-two".