9444661 has 4 divisors (see below), whose sum is σ = 9604800. Its totient is φ = 9284524.

The previous prime is 9444641. The next prime is 9444671. The reversal of 9444661 is 1664449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1664449 = 59 ⋅28211.

It is a cyclic number.

It is not a de Polignac number, because 9444661 - 2⁵ = 9444629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9444601) 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, 79981 + ... + 80098.

It is an arithmetic number, because the mean of its divisors is an integer number (2401200).

Almost surely, 2^9444661 is an apocalyptic number.

It is an amenable number.

9444661 is a deficient number, since it is larger than the sum of its proper divisors (160139).

9444661 is a wasteful number, since it uses less digits than its factorization.

9444661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160138.

The product of its digits is 20736, while the sum is 34.

The square root of 9444661 is about 3073.2167186842. The cubic root of 9444661 is about 211.3791390879.

The spelling of 9444661 in words is "nine million, four hundred forty-four thousand, six hundred sixty-one".