19314983 has 6 divisors (see below), whose sum is σ = 19460232. Its totient is φ = 19170540.

The previous prime is 19314959. The next prime is 19314989. The reversal of 19314983 is 38941391.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-19314983 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 (19314989) 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 5 ways as a sum of consecutive naturals, for example, 71138 + ... + 71408.

It is an arithmetic number, because the mean of its divisors is an integer number (3243372).

Almost surely, 2^19314983 is an apocalyptic number.

19314983 is a deficient number, since it is larger than the sum of its proper divisors (145249).

19314983 is an frugal number, since it uses more digits than its factorization.

19314983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 534 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 19314983 is about 4394.8814546015. The cubic root of 19314983 is about 268.3066540694.

The spelling of 19314983 in words is "nineteen million, three hundred fourteen thousand, nine hundred eighty-three".