19313384 has 16 divisors (see below), whose sum is σ = 36417600. Its totient is φ = 9602032.

The previous prime is 19313369. The next prime is 19313401. The reversal of 19313384 is 48331391.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19313384.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312 + ... + 8175.

It is an arithmetic number, because the mean of its divisors is an integer number (2276100).

Almost surely, 2^19313384 is an apocalyptic number.

It is an amenable number.

19313384 is a deficient number, since it is larger than the sum of its proper divisors (17104216).

19313384 is a wasteful number, since it uses less digits than its factorization.

19313384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13672 (or 13668 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 19313384 is about 4394.6995346667. The cubic root of 19313384 is about 268.2992499007.

The spelling of 19313384 in words is "nineteen million, three hundred thirteen thousand, three hundred eighty-four".