2307997 has 4 divisors (see below), whose sum is σ = 2340576. Its totient is φ = 2275420.

The previous prime is 2307989. The next prime is 2308001. The reversal of 2307997 is 7997032.

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 not a de Polignac number, because 2307997 - 2³ = 2307989 is a prime.

It is a Duffinian number.

2307997 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2307967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16183 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (585144).

2^2307997 is an apocalyptic number.

It is an amenable number.

2307997 is a deficient number, since it is larger than the sum of its proper divisors (32579).

2307997 is an equidigital number, since it uses as much as digits as its factorization.

2307997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32578.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 2307997 is about 1519.2093338313. The cubic root of 2307997 is about 132.1534220083.

The spelling of 2307997 in words is "two million, three hundred seven thousand, nine hundred ninety-seven".