8144419 has 4 divisors (see below), whose sum is σ = 8282520. Its totient is φ = 8006320.

The previous prime is 8144399. The next prime is 8144429. The reversal of 8144419 is 9144418.

8144419 = 202² + 203² + ... + 319².

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 8144419 - 2⁵ = 8144387 is a prime.

It is a super-2 number, since 2×8144419² = 132663121695122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

8144419 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8144429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68962 + ... + 69079.

It is an arithmetic number, because the mean of its divisors is an integer number (2070630).

Almost surely, 2^8144419 is an apocalyptic number.

8144419 is a deficient number, since it is larger than the sum of its proper divisors (138101).

8144419 is a wasteful number, since it uses less digits than its factorization.

8144419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138100.

The product of its digits is 4608, while the sum is 31.

The square root of 8144419 is about 2853.8428478106. The cubic root of 8144419 is about 201.1963214734.

Subtracting 8144419 from its reverse (9144418), we obtain a palindrome (999999).

The spelling of 8144419 in words is "eight million, one hundred forty-four thousand, four hundred nineteen".