4131819 has 6 divisors (see below), whose sum is σ = 5968196. Its totient is φ = 2754540.

The previous prime is 4131791. The next prime is 4131839. The reversal of 4131819 is 9181314.

It is not a de Polignac number, because 4131819 - 2⁹ = 4131307 is a prime.

It is a super-2 number, since 2×4131819² = 34143856497522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4131792 and 4131801.

It is not an unprimeable number, because it can be changed into a prime (4131839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229537 + ... + 229554.

Almost surely, 2^4131819 is an apocalyptic number.

4131819 is a deficient number, since it is larger than the sum of its proper divisors (1836377).

4131819 is a wasteful number, since it uses less digits than its factorization.

4131819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459097 (or 459094 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 4131819 is about 2032.6876297159. The cubic root of 4131819 is about 160.4650402793.

It can be divided in two parts, 4131 and 819, that added together give a triangular number (4950 = T₉₉).

The spelling of 4131819 in words is "four million, one hundred thirty-one thousand, eight hundred nineteen".