19836342 has 48 divisors (see below), whose sum is σ = 46725120. Its totient is φ = 6058800.

The previous prime is 19836317. The next prime is 19836343. The reversal of 19836342 is 24363891.

19836342 is a `hidden beast` number, since 19 + 8 + 3 + 634 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19836297 and 19836306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19836343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9667 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (973440).

Almost surely, 2^19836342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19836342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23362560).

19836342 is an abundant number, since it is smaller than the sum of its proper divisors (26888778).

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

19836342 is a wasteful number, since it uses less digits than its factorization.

19836342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929 (or 1926 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 19836342 is about 4453.8008487134. The cubic root of 19836342 is about 270.6993393088.

The spelling of 19836342 in words is "nineteen million, eight hundred thirty-six thousand, three hundred forty-two".