2442919 has 4 divisors (see below), whose sum is σ = 2494944. Its totient is φ = 2390896.

The previous prime is 2442911. The next prime is 2442941. The reversal of 2442919 is 9192442.

It is a happy number.

2442919 is digitally balanced in base 2, 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 2442919 - 2³ = 2442911 is a prime.

It is a super-2 number, since 2×2442919² = 11935706481122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442911) 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, 25942 + ... + 26035.

It is an arithmetic number, because the mean of its divisors is an integer number (623736).

2^2442919 is an apocalyptic number.

2442919 is a deficient number, since it is larger than the sum of its proper divisors (52025).

2442919 is an equidigital number, since it uses as much as digits as its factorization.

2442919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52024.

The product of its digits is 5184, while the sum is 31.

The square root of 2442919 is about 1562.9840050365. The cubic root of 2442919 is about 134.6799735514.

The spelling of 2442919 in words is "two million, four hundred forty-two thousand, nine hundred nineteen".