19140084 has 24 divisors (see below), whose sum is σ = 49622720. Its totient is φ = 6379992.

The previous prime is 19140061. The next prime is 19140097. The reversal of 19140084 is 48004191.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88504 + ... + 88719.

Almost surely, 2^19140084 is an apocalyptic number.

It is an amenable number.

19140084 is an abundant number, since it is smaller than the sum of its proper divisors (30482636).

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

19140084 is a wasteful number, since it uses less digits than its factorization.

19140084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177236 (or 177228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 19140084 is about 4374.9381709917. The cubic root of 19140084 is about 267.4943498967.

The spelling of 19140084 in words is "nineteen million, one hundred forty thousand, eighty-four".