9559641 has 48 divisors (see below), whose sum is σ = 16727424. Its totient is φ = 4727808.

The previous prime is 9559637. The next prime is 9559657. The reversal of 9559641 is 1469559.

9559641 = 74² + 75² + ... + 307².

It is not a de Polignac number, because 9559641 - 2² = 9559637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 9559641.

It is not an unprimeable number, because it can be changed into a prime (9559621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98505 + ... + 98601.

It is an arithmetic number, because the mean of its divisors is an integer number (348488).

Almost surely, 2^9559641 is an apocalyptic number.

9559641 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9559641 is a deficient number, since it is larger than the sum of its proper divisors (7167783).

9559641 is a wasteful number, since it uses less digits than its factorization.

9559641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 139 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 9559641 is about 3091.8669117541. The cubic root of 9559641 is about 212.2334632878.

The spelling of 9559641 in words is "nine million, five hundred fifty-nine thousand, six hundred forty-one".