19119893 has 8 divisors (see below), whose sum is σ = 20633088. Its totient is φ = 17612784.

The previous prime is 19119887. The next prime is 19119911. The reversal of 19119893 is 39891191.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19119893 - 2⁸ = 19119637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19119893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19119823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6680 + ... + 9102.

It is an arithmetic number, because the mean of its divisors is an integer number (2579136).

Almost surely, 2^19119893 is an apocalyptic number.

19119893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19119893 is a deficient number, since it is larger than the sum of its proper divisors (1513195).

19119893 is a wasteful number, since it uses less digits than its factorization.

19119893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its digits is 17496, while the sum is 41.

The square root of 19119893 is about 4372.6299866328. The cubic root of 19119893 is about 267.4002562882.

The spelling of 19119893 in words is "nineteen million, one hundred nineteen thousand, eight hundred ninety-three".