2386991 has 8 divisors (see below), whose sum is σ = 2455200. Its totient is φ = 2319840.

The previous prime is 2386957. The next prime is 2386999. The reversal of 2386991 is 1996832.

2386991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2386991 - 2¹⁴ = 2370607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2386999) 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 7 ways as a sum of consecutive naturals, for example, 6470 + ... + 6828.

It is an arithmetic number, because the mean of its divisors is an integer number (306900).

2^2386991 is an apocalyptic number.

2386991 is a deficient number, since it is larger than the sum of its proper divisors (68209).

2386991 is a wasteful number, since it uses less digits than its factorization.

2386991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its digits is 23328, while the sum is 38.

The square root of 2386991 is about 1544.9889967246. The cubic root of 2386991 is about 133.6442445818.

The spelling of 2386991 in words is "two million, three hundred eighty-six thousand, nine hundred ninety-one".