6236991 has 12 divisors (see below), whose sum is σ = 9071400. Its totient is φ = 4129200.

The previous prime is 6236981. The next prime is 6236999. The reversal of 6236991 is 1996326.

It is not a de Polignac number, because 6236991 - 2⁶ = 6236927 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6236999) 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, 985 + ... + 3666.

It is an arithmetic number, because the mean of its divisors is an integer number (755950).

Almost surely, 2^6236991 is an apocalyptic number.

6236991 is a deficient number, since it is larger than the sum of its proper divisors (2834409).

6236991 is a wasteful number, since it uses less digits than its factorization.

6236991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806 (or 4803 counting only the distinct ones).

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

The square root of 6236991 is about 2497.3968447165. The cubic root of 6236991 is about 184.0736846502.

It can be divided in two parts, 6236 and 991, that added together give a palindrome (7227).

The spelling of 6236991 in words is "six million, two hundred thirty-six thousand, nine hundred ninety-one".