8843661 has 40 divisors (see below), whose sum is σ = 14217984. Its totient is φ = 5464800.

The previous prime is 8843647. The next prime is 8843669. The reversal of 8843661 is 1663488.

It is a happy number.

8843661 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8843661 - 2¹⁰ = 8842637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8843669) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87511 + ... + 87611.

Almost surely, 2^8843661 is an apocalyptic number.

8843661 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8843661 is a deficient number, since it is larger than the sum of its proper divisors (5374323).

8843661 is a wasteful number, since it uses less digits than its factorization.

8843661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 174 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8843661 is about 2973.8293495088. The cubic root of 8843661 is about 206.7969022454.

The spelling of 8843661 in words is "eight million, eight hundred forty-three thousand, six hundred sixty-one".