9944657 has 4 divisors (see below), whose sum is σ = 10468080. Its totient is φ = 9421236.

The previous prime is 9944629. The next prime is 9944663. The reversal of 9944657 is 7564499.

9944657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 9944657 - 2¹² = 9940561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9944617) 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, 261683 + ... + 261720.

It is an arithmetic number, because the mean of its divisors is an integer number (2617020).

Almost surely, 2^9944657 is an apocalyptic number.

It is an amenable number.

9944657 is a deficient number, since it is larger than the sum of its proper divisors (523423).

9944657 is a wasteful number, since it uses less digits than its factorization.

9944657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523422.

The product of its digits is 272160, while the sum is 44.

The square root of 9944657 is about 3153.5150229545. The cubic root of 9944657 is about 215.0452906209.

It can be divided in two parts, 9944 and 657, that added together give a palindrome (10601).

The spelling of 9944657 in words is "nine million, nine hundred forty-four thousand, six hundred fifty-seven".