2442817 has 4 divisors (see below), whose sum is σ = 2630740. Its totient is φ = 2254896.

The previous prime is 2442809. The next prime is 2442827. The reversal of 2442817 is 7182442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104976 + 2337841 = 324^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442817 - 2³ = 2442809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2442827) 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, 93942 + ... + 93967.

It is an arithmetic number, because the mean of its divisors is an integer number (657685).

2^2442817 is an apocalyptic number.

It is an amenable number.

2442817 is a deficient number, since it is larger than the sum of its proper divisors (187923).

2442817 is a wasteful number, since it uses less digits than its factorization.

2442817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187922.

The product of its digits is 3584, while the sum is 28.

The square root of 2442817 is about 1562.9513748035. The cubic root of 2442817 is about 134.6780990795.

The spelling of 2442817 in words is "two million, four hundred forty-two thousand, eight hundred seventeen".