8919419 has 4 divisors (see below), whose sum is σ = 8978640. Its totient is φ = 8860200.

The previous prime is 8919403. The next prime is 8919431. The reversal of 8919419 is 9149198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9149198 = 2 ⋅4574599.

It is a cyclic number.

It is not a de Polignac number, because 8919419 - 2⁴ = 8919403 is a prime.

It is a super-2 number, since 2×8919419² = 159112070595122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8919019) 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, 29384 + ... + 29685.

It is an arithmetic number, because the mean of its divisors is an integer number (2244660).

Almost surely, 2^8919419 is an apocalyptic number.

8919419 is a deficient number, since it is larger than the sum of its proper divisors (59221).

8919419 is a wasteful number, since it uses less digits than its factorization.

8919419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59220.

The product of its digits is 23328, while the sum is 41.

The square root of 8919419 is about 2986.5396364355. The cubic root of 8919419 is about 207.3857231113.

The spelling of 8919419 in words is "eight million, nine hundred nineteen thousand, four hundred nineteen".