9261381 has 8 divisors (see below), whose sum is σ = 12364000. Its totient is φ = 6166512.

The previous prime is 9261361. The next prime is 9261391. The reversal of 9261381 is 1831629.

9261381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-9261381 is a prime.

It is a super-2 number, since 2×9261381² = 171546356054322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261331) 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, 1995 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (1545500).

Almost surely, 2^9261381 is an apocalyptic number.

It is an amenable number.

9261381 is a deficient number, since it is larger than the sum of its proper divisors (3102619).

9261381 is a wasteful number, since it uses less digits than its factorization.

9261381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its digits is 2592, while the sum is 30.

The square root of 9261381 is about 3043.2517148603. The cubic root of 9261381 is about 210.0028797791.

The spelling of 9261381 in words is "nine million, two hundred sixty-one thousand, three hundred eighty-one".