2396991 has 8 divisors (see below), whose sum is σ = 3335040. Its totient is φ = 1528472.

The previous prime is 2396987. The next prime is 2397001. The reversal of 2396991 is 1996932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2396991 - 2² = 2396987 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2396921) 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, 17301 + ... + 17438.

It is an arithmetic number, because the mean of its divisors is an integer number (416880).

2^2396991 is an apocalyptic number.

2396991 is a deficient number, since it is larger than the sum of its proper divisors (938049).

2396991 is a wasteful number, since it uses less digits than its factorization.

2396991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34765.

The product of its digits is 26244, while the sum is 39.

The square root of 2396991 is about 1548.2218833229. The cubic root of 2396991 is about 133.8306131788.

The spelling of 2396991 in words is "two million, three hundred ninety-six thousand, nine hundred ninety-one".