9881367 has 4 divisors (see below), whose sum is σ = 13175160. Its totient is φ = 6587576.

The previous prime is 9881363. The next prime is 9881381. The reversal of 9881367 is 7631889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7631889 = 3 ⋅2543963.

It is a cyclic number.

It is not a de Polignac number, because 9881367 - 2² = 9881363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881363) 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 3 ways as a sum of consecutive naturals, for example, 1646892 + ... + 1646897.

It is an arithmetic number, because the mean of its divisors is an integer number (3293790).

Almost surely, 2^9881367 is an apocalyptic number.

9881367 is a deficient number, since it is larger than the sum of its proper divisors (3293793).

9881367 is a wasteful number, since it uses less digits than its factorization.

9881367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293792.

The product of its digits is 72576, while the sum is 42.

The square root of 9881367 is about 3143.4641718970. The cubic root of 9881367 is about 214.5881207801.

The spelling of 9881367 in words is "nine million, eight hundred eighty-one thousand, three hundred sixty-seven".