8433664 has 52 divisors (see below), whose sum is σ = 17692560. Its totient is φ = 4014080.

The previous prime is 8433661. The next prime is 8433671. The reversal of 8433664 is 4663348.

It is a super-2 number, since 2×8433664² = 142253376929792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8433661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118749 + ... + 118819.

Almost surely, 2^8433664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8433664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8846280).

8433664 is an abundant number, since it is smaller than the sum of its proper divisors (9258896).

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

8433664 is an equidigital number, since it uses as much as digits as its factorization.

8433664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 102 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 8433664 is about 2904.0771339618. The cubic root of 8433664 is about 203.5504646984.

The spelling of 8433664 in words is "eight million, four hundred thirty-three thousand, six hundred sixty-four".