8540419 has 4 divisors (see below), whose sum is σ = 8620344. Its totient is φ = 8460496.

The previous prime is 8540401. The next prime is 8540431. The reversal of 8540419 is 9140458.

It is a happy number.

8540419 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8540419 - 2⁵ = 8540387 is a prime.

It is a super-2 number, since 2×8540419² = 145877513391122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8540479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39802 + ... + 40015.

It is an arithmetic number, because the mean of its divisors is an integer number (2155086).

Almost surely, 2^8540419 is an apocalyptic number.

8540419 is a deficient number, since it is larger than the sum of its proper divisors (79925).

8540419 is a wasteful number, since it uses less digits than its factorization.

8540419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79924.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 8540419 is about 2922.3995277853. The cubic root of 8540419 is about 204.4057268780.

It can be divided in two parts, 85 and 40419, that added together give a palindrome (40504).

The spelling of 8540419 in words is "eight million, five hundred forty thousand, four hundred nineteen".