2307993 has 8 divisors (see below), whose sum is σ = 3095808. Its totient is φ = 1529424.

The previous prime is 2307989. The next prime is 2308001. The reversal of 2307993 is 3997032.

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

It is not a de Polignac number, because 2307993 - 2² = 2307989 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2307913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (386976).

2^2307993 is an apocalyptic number.

It is an amenable number.

2307993 is a deficient number, since it is larger than the sum of its proper divisors (787815).

2307993 is a wasteful number, since it uses less digits than its factorization.

2307993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 2307993 is about 1519.2080173564. The cubic root of 2307993 is about 132.1533456630.

Adding to 2307993 its sum of digits (33), we get a triangular number (2308026 = T₂₁₄₈).

The spelling of 2307993 in words is "two million, three hundred seven thousand, nine hundred ninety-three".