2306945 has 8 divisors (see below), whose sum is σ = 2777280. Its totient is φ = 1839600.

The previous prime is 2306911. The next prime is 2306957. The reversal of 2306945 is 5496032.

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

It is not a de Polignac number, because 2306945 - 2⁶ = 2306881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (347160).

2^2306945 is an apocalyptic number.

It is an amenable number.

2306945 is a deficient number, since it is larger than the sum of its proper divisors (470335).

2306945 is a wasteful number, since it uses less digits than its factorization.

2306945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2306945 is about 1518.8630616352. The cubic root of 2306945 is about 132.1333401612.

The spelling of 2306945 in words is "two million, three hundred six thousand, nine hundred forty-five".