9261389 has 8 divisors (see below), whose sum is σ = 9432192. Its totient is φ = 9092160.

The previous prime is 9261361. The next prime is 9261391. The reversal of 9261389 is 9831629.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9261389 is a prime.

It is a Duffinian number.

9261389 is a modest number, since divided by 1389 gives 926 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19772 + ... + 20234.

It is an arithmetic number, because the mean of its divisors is an integer number (1179024).

Almost surely, 2^9261389 is an apocalyptic number.

It is an amenable number.

9261389 is a deficient number, since it is larger than the sum of its proper divisors (170803).

9261389 is a wasteful number, since it uses less digits than its factorization.

9261389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 23328, while the sum is 38.

The square root of 9261389 is about 3043.2530292435. The cubic root of 9261389 is about 210.0029402461.

The spelling of 9261389 in words is "nine million, two hundred sixty-one thousand, three hundred eighty-nine".