19872014 has 8 divisors (see below), whose sum is σ = 31561488. Its totient is φ = 9351520.

The previous prime is 19872001. The next prime is 19872019. The reversal of 19872014 is 41027891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19872019) 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 3 ways as a sum of consecutive naturals, for example, 292202 + ... + 292269.

It is an arithmetic number, because the mean of its divisors is an integer number (3945186).

Almost surely, 2^19872014 is an apocalyptic number.

19872014 is a deficient number, since it is larger than the sum of its proper divisors (11689474).

19872014 is a wasteful number, since it uses less digits than its factorization.

19872014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584490.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 19872014 is about 4457.8037193219. The cubic root of 19872014 is about 270.8615097365.

The spelling of 19872014 in words is "nineteen million, eight hundred seventy-two thousand, fourteen".