2306493 has 24 divisors (see below), whose sum is σ = 3933696. Its totient is φ = 1274400.

The previous prime is 2306453. The next prime is 2306519. The reversal of 2306493 is 3946032.

It is a de Polignac number, because none of the positive numbers 2^k-2306493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306413) 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, 1363 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (163904).

2^2306493 is an apocalyptic number.

It is an amenable number.

2306493 is a deficient number, since it is larger than the sum of its proper divisors (1627203).

2306493 is a wasteful number, since it uses less digits than its factorization.

2306493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2306493 is about 1518.7142588387. The cubic root of 2306493 is about 132.1247099640.

The spelling of 2306493 in words is "two million, three hundred six thousand, four hundred ninety-three".