2409659 has 4 divisors (see below), whose sum is σ = 2753904. Its totient is φ = 2065416.

The previous prime is 2409613. The next prime is 2409679. The reversal of 2409659 is 9569042.

2409659 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 2409659 - 2¹² = 2405563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2409679) 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, 172112 + ... + 172125.

It is an arithmetic number, because the mean of its divisors is an integer number (688476).

2^2409659 is an apocalyptic number.

2409659 is a deficient number, since it is larger than the sum of its proper divisors (344245).

2409659 is an equidigital number, since it uses as much as digits as its factorization.

2409659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344244.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2409659 is about 1552.3076370359. The cubic root of 2409659 is about 134.0659621781.

The spelling of 2409659 in words is "two million, four hundred nine thousand, six hundred fifty-nine".