9689144 has 32 divisors (see below), whose sum is σ = 18861120. Its totient is φ = 4663296.

The previous prime is 9689137. The next prime is 9689149. The reversal of 9689144 is 4419869.

It is a super-2 number, since 2×9689144² = 187759022905472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27272 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (589410).

Almost surely, 2^9689144 is an apocalyptic number.

9689144 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

9689144 is a deficient number, since it is larger than the sum of its proper divisors (9171976).

9689144 is a wasteful number, since it uses less digits than its factorization.

9689144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 9689144 is about 3112.7389868089. The cubic root of 9689144 is about 213.1875327552.

The spelling of 9689144 in words is "nine million, six hundred eighty-nine thousand, one hundred forty-four".