19874141 has 8 divisors (see below), whose sum is σ = 22887744. Its totient is φ = 16904160.

The previous prime is 19874137. The next prime is 19874149. The reversal of 19874141 is 14147891.

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

It is not a de Polignac number, because 19874141 - 2² = 19874137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19874149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9920 + ... + 11753.

It is an arithmetic number, because the mean of its divisors is an integer number (2860968).

Almost surely, 2^19874141 is an apocalyptic number.

It is an amenable number.

19874141 is a deficient number, since it is larger than the sum of its proper divisors (3013603).

19874141 is a wasteful number, since it uses less digits than its factorization.

19874141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21811.

The product of its digits is 8064, while the sum is 35.

The square root of 19874141 is about 4458.0422833347. The cubic root of 19874141 is about 270.8711732744.

The spelling of 19874141 in words is "nineteen million, eight hundred seventy-four thousand, one hundred forty-one".