2259939 has 8 divisors (see below), whose sum is σ = 3287232. Its totient is φ = 1369640.

The previous prime is 2259937. The next prime is 2259949. The reversal of 2259939 is 9399522.

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

It is a cyclic number.

It is not a de Polignac number, because 2259939 - 2¹ = 2259937 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2259897 and 2259906.

It is not an unprimeable number, because it can be changed into a prime (2259937) 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 in 7 ways as a sum of consecutive naturals, for example, 34209 + ... + 34274.

It is an arithmetic number, because the mean of its divisors is an integer number (410904).

2^2259939 is an apocalyptic number.

2259939 is a deficient number, since it is larger than the sum of its proper divisors (1027293).

2259939 is a wasteful number, since it uses less digits than its factorization.

2259939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68497.

The product of its digits is 43740, while the sum is 39.

The square root of 2259939 is about 1503.3093494022. The cubic root of 2259939 is about 131.2297311104.

The spelling of 2259939 in words is "two million, two hundred fifty-nine thousand, nine hundred thirty-nine".