19839342 has 8 divisors (see below), whose sum is σ = 39678696. Its totient is φ = 6613112.

The previous prime is 19839341. The next prime is 19839343. The reversal of 19839342 is 24393891.

It is an interprime number because it is at equal distance from previous prime (19839341) and next prime (19839343).

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

19839342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 19839342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19839341) 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, 1653273 + ... + 1653284.

It is an arithmetic number, because the mean of its divisors is an integer number (4959837).

Almost surely, 2^19839342 is an apocalyptic number.

19839342 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.

19839342 is a wasteful number, since it uses less digits than its factorization.

19839342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306562.

The product of its digits is 46656, while the sum is 39.

The square root of 19839342 is about 4454.1376269711. The cubic root of 19839342 is about 270.7129852569.

It can be divided in two parts, 1983 and 9342, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 19839342 in words is "nineteen million, eight hundred thirty-nine thousand, three hundred forty-two".