2305239 has 8 divisors (see below), whose sum is σ = 3179760. Its totient is φ = 1483776.

The previous prime is 2305169. The next prime is 2305271. The reversal of 2305239 is 9325032.

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

It is not a de Polignac number, because 2305239 - 2⁷ = 2305111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13162 + ... + 13335.

It is an arithmetic number, because the mean of its divisors is an integer number (397470).

2^2305239 is an apocalyptic number.

2305239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2305239 is a deficient number, since it is larger than the sum of its proper divisors (874521).

2305239 is a wasteful number, since it uses less digits than its factorization.

2305239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26529.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 2305239 is about 1518.3013534868. The cubic root of 2305239 is about 132.1007609902.

The spelling of 2305239 in words is "two million, three hundred five thousand, two hundred thirty-nine".