19386042 has 64 divisors (see below), whose sum is σ = 44728320. Its totient is φ = 5552064.

The previous prime is 19385999. The next prime is 19386049. The reversal of 19386042 is 24068391.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 19385994 and 19386012.

It is not an unprimeable number, because it can be changed into a prime (19386049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152583 + ... + 152709.

It is an arithmetic number, because the mean of its divisors is an integer number (698880).

Almost surely, 2^19386042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19386042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22364160).

19386042 is an abundant number, since it is smaller than the sum of its proper divisors (25342278).

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

19386042 is a wasteful number, since it uses less digits than its factorization.

19386042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

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

The square root of 19386042 is about 4402.9583236728. The cubic root of 19386042 is about 268.6352809820.

The spelling of 19386042 in words is "nineteen million, three hundred eighty-six thousand, forty-two".