6233981 has 8 divisors (see below), whose sum is σ = 6806520. Its totient is φ = 5674752.

The previous prime is 6233971. The next prime is 6234001. The reversal of 6233981 is 1893326.

6233981 = 1765² + 1766².

6233981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1243225 + 4990756 = 1115^2 + 2234^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6233981 is a prime.

It is a super-2 number, since 2×6233981² = 77725038216722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6233921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (850815).

Almost surely, 2^6233981 is an apocalyptic number.

6233981 is the 1766-th centered square number.

It is an amenable number.

6233981 is a deficient number, since it is larger than the sum of its proper divisors (572539).

6233981 is a wasteful number, since it uses less digits than its factorization.

6233981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655.

The product of its digits is 7776, while the sum is 32.

The square root of 6233981 is about 2496.7941444981. The cubic root of 6233981 is about 184.0440682885.

It can be divided in two parts, 62 and 33981, that added together give a palindrome (34043).

The spelling of 6233981 in words is "six million, two hundred thirty-three thousand, nine hundred eighty-one".