8233661 has 8 divisors (see below), whose sum is σ = 8931384. Its totient is φ = 7559680.

The previous prime is 8233649. The next prime is 8233663. The reversal of 8233661 is 1663328.

It can be written as a sum of positive squares in 4 ways, for example, as 337561 + 7896100 = 581^2 + 2810^2 .

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 8233661 - 2¹⁴ = 8217277 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8233663) 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, 5210 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (1116423).

Almost surely, 2^8233661 is an apocalyptic number.

It is an amenable number.

8233661 is a deficient number, since it is larger than the sum of its proper divisors (697723).

8233661 is a wasteful number, since it uses less digits than its factorization.

8233661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871.

The product of its digits is 5184, while the sum is 29.

The square root of 8233661 is about 2869.4356588012. The cubic root of 8233661 is about 201.9285192956.

Adding to 8233661 its reverse (1663328), we get a palindrome (9896989).

The spelling of 8233661 in words is "eight million, two hundred thirty-three thousand, six hundred sixty-one".