2306249 has 4 divisors (see below), whose sum is σ = 2515920. Its totient is φ = 2096580.

The previous prime is 2306221. The next prime is 2306261. The reversal of 2306249 is 9426032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2306249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2306299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104819 + ... + 104840.

It is an arithmetic number, because the mean of its divisors is an integer number (628980).

2^2306249 is an apocalyptic number.

It is an amenable number.

2306249 is a deficient number, since it is larger than the sum of its proper divisors (209671).

2306249 is a wasteful number, since it uses less digits than its factorization.

2306249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209670.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2306249 is about 1518.6339256055. The cubic root of 2306249 is about 132.1200507164.

The spelling of 2306249 in words is "two million, three hundred six thousand, two hundred forty-nine".