9663140 has 48 divisors (see below), whose sum is σ = 21781872. Its totient is φ = 3588096.

The previous prime is 9663131. The next prime is 9663161. The reversal of 9663140 is 413669.

9663140 = T₉₆ + T₉₇ + ... + T₃₈₈.

It can be written as a sum of positive squares in 8 ways, for example, as 996004 + 8667136 = 998^2 + 2944^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32834 + ... + 33126.

It is an arithmetic number, because the mean of its divisors is an integer number (453789).

Almost surely, 2^9663140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9663140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10890936).

9663140 is an abundant number, since it is smaller than the sum of its proper divisors (12118732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9663140 is a wasteful number, since it uses less digits than its factorization.

9663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9663140 is about 3108.5591517615. The cubic root of 9663140 is about 212.9966422946.

It can be divided in two parts, 96 and 63140, that added together give a palindrome (63236).

The spelling of 9663140 in words is "nine million, six hundred sixty-three thousand, one hundred forty".