2408609 has 8 divisors (see below), whose sum is σ = 2811648. Its totient is φ = 2020320.

The previous prime is 2408603. The next prime is 2408639. The reversal of 2408609 is 9068042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2408609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2408603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (351456).

2^2408609 is an apocalyptic number.

It is an amenable number.

2408609 is a deficient number, since it is larger than the sum of its proper divisors (403039).

2408609 is an equidigital number, since it uses as much as digits as its factorization.

2408609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2408609 is about 1551.9693940281. The cubic root of 2408609 is about 134.0464864332.

The spelling of 2408609 in words is "two million, four hundred eight thousand, six hundred nine".