9881493 has 8 divisors (see below), whose sum is σ = 13207488. Its totient is φ = 6571584.

The previous prime is 9881491. The next prime is 9881503. The reversal of 9881493 is 3941889.

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

It is not a de Polignac number, because 9881493 - 2¹ = 9881491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881491) 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, 2505 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (1650936).

Almost surely, 2^9881493 is an apocalyptic number.

It is an amenable number.

9881493 is a deficient number, since it is larger than the sum of its proper divisors (3325995).

9881493 is a wasteful number, since it uses less digits than its factorization.

9881493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043.

The product of its digits is 62208, while the sum is 42.

The square root of 9881493 is about 3143.4842134167. The cubic root of 9881493 is about 214.5890328667.

The spelling of 9881493 in words is "nine million, eight hundred eighty-one thousand, four hundred ninety-three".