19842714 has 24 divisors (see below), whose sum is σ = 43584372. Its totient is φ = 6523200.

The previous prime is 19842709. The next prime is 19842731. The reversal of 19842714 is 41724891.

It can be written as a sum of positive squares in 2 ways, for example, as 19210689 + 632025 = 4383^2 + 795^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6237 + ... + 8864.

Almost surely, 2^19842714 is an apocalyptic number.

19842714 is an abundant number, since it is smaller than the sum of its proper divisors (23741658).

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

19842714 is a wasteful number, since it uses less digits than its factorization.

19842714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182 (or 15179 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 19842714 is about 4454.5161353395. The cubic root of 19842714 is about 270.7283216606.

The spelling of 19842714 in words is "nineteen million, eight hundred forty-two thousand, seven hundred fourteen".