8233640 has 32 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 3216192.

The previous prime is 8233639. The next prime is 8233649. The reversal of 8233640 is 463328.

It is not an unprimeable number, because it can be changed into a prime (8233649) 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, 674 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (592515).

Almost surely, 2^8233640 is an apocalyptic number.

It is an amenable number.

8233640 is an abundant number, since it is smaller than the sum of its proper divisors (10726840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8233640 is a wasteful number, since it uses less digits than its factorization.

8233640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 8233640 is about 2869.4319995428. The cubic root of 8233640 is about 201.9283476222.

Adding to 8233640 its reverse (463328), we get a palindrome (8696968).

The spelling of 8233640 in words is "eight million, two hundred thirty-three thousand, six hundred forty".