2366991 has 12 divisors (see below), whose sum is σ = 3729960. Its totient is φ = 1434480.

The previous prime is 2366989. The next prime is 2366993. The reversal of 2366991 is 1996632.

It is an interprime number because it is at equal distance from previous prime (2366989) and next prime (2366993).

It is not a de Polignac number, because 2366991 - 2¹ = 2366989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2366993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11856 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (310830).

2^2366991 is an apocalyptic number.

2366991 is a deficient number, since it is larger than the sum of its proper divisors (1362969).

2366991 is a wasteful number, since it uses less digits than its factorization.

2366991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23926 (or 23923 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 2366991 is about 1538.5028436763. The cubic root of 2366991 is about 133.2699400033.

It can be divided in two parts, 236 and 6991, that added together give a palindrome (7227).

The spelling of 2366991 in words is "two million, three hundred sixty-six thousand, nine hundred ninety-one".