2338809 has 24 divisors (see below), whose sum is σ = 3638880. Its totient is φ = 1330560.

The previous prime is 2338799. The next prime is 2338823. The reversal of 2338809 is 9088332.

It is not a de Polignac number, because 2338809 - 2¹³ = 2330617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2338809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2338849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5982 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (151620).

2^2338809 is an apocalyptic number.

It is an amenable number.

2338809 is a deficient number, since it is larger than the sum of its proper divisors (1300071).

2338809 is a wasteful number, since it uses less digits than its factorization.

2338809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2338809 is about 1529.3165140023. The cubic root of 2338809 is about 132.7389115475.

The spelling of 2338809 in words is "two million, three hundred thirty-eight thousand, eight hundred nine".