8242419 has 4 divisors (see below), whose sum is σ = 10989896. Its totient is φ = 5494944.

The previous prime is 8242411. The next prime is 8242439. The reversal of 8242419 is 9142428.

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

It is not a de Polignac number, because 8242419 - 2³ = 8242411 is a prime.

It is a super-2 number, since 2×8242419² = 135874941943122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242411) 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, 1373734 + ... + 1373739.

It is an arithmetic number, because the mean of its divisors is an integer number (2747474).

Almost surely, 2^8242419 is an apocalyptic number.

8242419 is a deficient number, since it is larger than the sum of its proper divisors (2747477).

8242419 is a wasteful number, since it uses less digits than its factorization.

8242419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747476.

The product of its digits is 4608, while the sum is 30.

The square root of 8242419 is about 2870.9613372527. The cubic root of 8242419 is about 202.0000898604. Note that the first 4 decimals are identical.

Subtracting 8242419 from its reverse (9142428), we obtain a palindrome (900009).

The spelling of 8242419 in words is "eight million, two hundred forty-two thousand, four hundred nineteen".