9113881 has 8 divisors (see below), whose sum is σ = 10445760. Its totient is φ = 7789488.

The previous prime is 9113879. The next prime is 9113891. The reversal of 9113881 is 1883119.

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

It is not a de Polignac number, because 9113881 - 2¹ = 9113879 is a prime.

It is a super-2 number, since 2×9113881² = 166125653764322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9113821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (1305720).

Almost surely, 2^9113881 is an apocalyptic number.

It is an amenable number.

9113881 is a deficient number, since it is larger than the sum of its proper divisors (1331879).

9113881 is a wasteful number, since it uses less digits than its factorization.

9113881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its digits is 1728, while the sum is 31.

The square root of 9113881 is about 3018.9205024313. The cubic root of 9113881 is about 208.8820484762.

It can be divided in two parts, 91138 and 81, that added together give a palindrome (91219).

The spelling of 9113881 in words is "nine million, one hundred thirteen thousand, eight hundred eighty-one".