19338241 has 4 divisors (see below), whose sum is σ = 20825812. Its totient is φ = 17850672.

The previous prime is 19338233. The next prime is 19338251. The reversal of 19338241 is 14283391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14283391 = 23 ⋅621017.

It can be written as a sum of positive squares in 2 ways, for example, as 6270016 + 13068225 = 2504^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 19338241 - 2³ = 19338233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19338251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743766 + ... + 743791.

It is an arithmetic number, because the mean of its divisors is an integer number (5206453).

Almost surely, 2^19338241 is an apocalyptic number.

It is an amenable number.

19338241 is a deficient number, since it is larger than the sum of its proper divisors (1487571).

19338241 is a wasteful number, since it uses less digits than its factorization.

19338241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487570.

The product of its digits is 5184, while the sum is 31.

The square root of 19338241 is about 4397.5266912209. The cubic root of 19338241 is about 268.4143040581.

The spelling of 19338241 in words is "nineteen million, three hundred thirty-eight thousand, two hundred forty-one".