2420339 has 2 divisors, whose sum is σ = 2420340. Its totient is φ = 2420338.

The previous prime is 2420333. The next prime is 2420371. The reversal of 2420339 is 9330242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420339 - 2¹² = 2416243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2420333) 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 as a sum of consecutive naturals, namely, 1210169 + 1210170.

It is an arithmetic number, because the mean of its divisors is an integer number (1210170).

2^2420339 is an apocalyptic number.

2420339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420339 is an equidigital number, since it uses as much as digits as its factorization.

2420339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2420339 is about 1555.7438735216. The cubic root of 2420339 is about 134.2637376461.

Subtracting 2420339 from its reverse (9330242), we obtain a triangular number (6909903 = T₃₇₁₇).

It can be divided in two parts, 24203 and 39, that added together give a palindrome (24242).

The spelling of 2420339 in words is "two million, four hundred twenty thousand, three hundred thirty-nine".