9681493 has 8 divisors (see below), whose sum is σ = 10071776. Its totient is φ = 9298800.

The previous prime is 9681481. The next prime is 9681499. The reversal of 9681493 is 3941869.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9681493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681499) 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 7 ways as a sum of consecutive naturals, for example, 778 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (1258972).

Almost surely, 2^9681493 is an apocalyptic number.

It is an amenable number.

9681493 is a deficient number, since it is larger than the sum of its proper divisors (390283).

9681493 is a wasteful number, since it uses less digits than its factorization.

9681493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its digits is 46656, while the sum is 40.

The square root of 9681493 is about 3111.5097621573. The cubic root of 9681493 is about 213.1314037056.

The spelling of 9681493 in words is "nine million, six hundred eighty-one thousand, four hundred ninety-three".