9439661 has 16 divisors (see below), whose sum is σ = 12046848. Its totient is φ = 7182000.

The previous prime is 9439657. The next prime is 9439667. The reversal of 9439661 is 1669349.

It is not a de Polignac number, because 9439661 - 2² = 9439657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (752928).

Almost surely, 2^9439661 is an apocalyptic number.

It is an amenable number.

9439661 is a deficient number, since it is larger than the sum of its proper divisors (2607187).

9439661 is a wasteful number, since it uses less digits than its factorization.

9439661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its digits is 34992, while the sum is 38.

The square root of 9439661 is about 3072.4031311011. The cubic root of 9439661 is about 211.3418311578.

The spelling of 9439661 in words is "nine million, four hundred thirty-nine thousand, six hundred sixty-one".