9261881 has 4 divisors (see below), whose sum is σ = 9379200. Its totient is φ = 9144564.

The previous prime is 9261869. The next prime is 9261907. The reversal of 9261881 is 1881629.

9261881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1881629 = 1039 ⋅1811.

It is a cyclic number.

It is not a de Polignac number, because 9261881 - 2¹⁰ = 9260857 is a prime.

It is a super-2 number, since 2×9261881² = 171564879316322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9261181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58541 + ... + 58698.

It is an arithmetic number, because the mean of its divisors is an integer number (2344800).

Almost surely, 2^9261881 is an apocalyptic number.

It is an amenable number.

9261881 is a deficient number, since it is larger than the sum of its proper divisors (117319).

9261881 is a wasteful number, since it uses less digits than its factorization.

9261881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117318.

The product of its digits is 6912, while the sum is 35.

The square root of 9261881 is about 3043.3338627236. Note that the first 3 decimals coincide. The cubic root of 9261881 is about 210.0066588969.

The spelling of 9261881 in words is "nine million, two hundred sixty-one thousand, eight hundred eighty-one".