19314939 has 8 divisors (see below), whose sum is σ = 29432320. Its totient is φ = 11037096.

The previous prime is 19314923. The next prime is 19314943. The reversal of 19314939 is 93941391.

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

It is not a de Polignac number, because 19314939 - 2⁴ = 19314923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19314897 and 19314906.

It is not an unprimeable number, because it can be changed into a prime (19314959) 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, 459859 + ... + 459900.

It is an arithmetic number, because the mean of its divisors is an integer number (3679040).

Almost surely, 2^19314939 is an apocalyptic number.

19314939 is a deficient number, since it is larger than the sum of its proper divisors (10117381).

19314939 is an equidigital number, since it uses as much as digits as its factorization.

19314939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919769.

The product of its digits is 26244, while the sum is 39.

The square root of 19314939 is about 4394.8764487753. The cubic root of 19314939 is about 268.3064503329.

The spelling of 19314939 in words is "nineteen million, three hundred fourteen thousand, nine hundred thirty-nine".