8668044 has 144 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 2171520.

The previous prime is 8668043. The next prime is 8668057. The reversal of 8668044 is 4408668.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146887 + ... + 146945.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^8668044 is an apocalyptic number.

8668044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8668044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

8668044 is an abundant number, since it is smaller than the sum of its proper divisors (19636596).

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

8668044 is a wasteful number, since it uses less digits than its factorization.

8668044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 8668044 is about 2944.1542079178. The cubic root of 8668044 is about 205.4188857060.

The spelling of 8668044 in words is "eight million, six hundred sixty-eight thousand, forty-four".