2391307 has 4 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 2346136.

The previous prime is 2391293. The next prime is 2391331. The reversal of 2391307 is 7031932.

2391307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2391307 - 2¹¹ = 2389259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2391107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22507 + ... + 22612.

It is an arithmetic number, because the mean of its divisors is an integer number (609120).

2^2391307 is an apocalyptic number.

2391307 is a deficient number, since it is larger than the sum of its proper divisors (45173).

2391307 is an equidigital number, since it uses as much as digits as its factorization.

2391307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45172.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2391307 is about 1546.3851396079. The cubic root of 2391307 is about 133.7247449914.

The spelling of 2391307 in words is "two million, three hundred ninety-one thousand, three hundred seven".