2420317 has 4 divisors (see below), whose sum is σ = 2423520. Its totient is φ = 2417116.

The previous prime is 2420309. The next prime is 2420321. The reversal of 2420317 is 7130242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2420317 - 2³ = 2420309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420294 and 2420303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 2212.

It is an arithmetic number, because the mean of its divisors is an integer number (605880).

2^2420317 is an apocalyptic number.

It is an amenable number.

2420317 is a deficient number, since it is larger than the sum of its proper divisors (3203).

2420317 is a wasteful number, since it uses less digits than its factorization.

2420317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2420317 is about 1555.7368029329. The cubic root of 2420317 is about 134.2633308421.

Adding to 2420317 its reverse (7130242), we get a palindrome (9550559).

The spelling of 2420317 in words is "two million, four hundred twenty thousand, three hundred seventeen".