2409959 has 4 divisors (see below), whose sum is σ = 2413920. Its totient is φ = 2406000.

The previous prime is 2409947. The next prime is 2409983. The reversal of 2409959 is 9599042.

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 2409959 - 2¹² = 2405863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409259) 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, 854 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (603480).

2^2409959 is an apocalyptic number.

2409959 is a deficient number, since it is larger than the sum of its proper divisors (3961).

2409959 is an equidigital number, since it uses as much as digits as its factorization.

2409959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 2409959 is about 1552.4042643590. The cubic root of 2409959 is about 134.0715256374.

It can be divided in two parts, 2 and 409959, that multiplied together give a palindrome (819918).

The spelling of 2409959 in words is "two million, four hundred nine thousand, nine hundred fifty-nine".