9261605 has 6 divisors (see below), whose sum is σ = 11122098. Its totient is φ = 7403840.

The previous prime is 9261601. The next prime is 9261619. The reversal of 9261605 is 5061629.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 9247681 = 118^2 + 3041^2 .

It is not a de Polignac number, because 9261605 - 2² = 9261601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6125 + ... + 7485.

It is an arithmetic number, because the mean of its divisors is an integer number (1853683).

Almost surely, 2^9261605 is an apocalyptic number.

It is an amenable number.

9261605 is a deficient number, since it is larger than the sum of its proper divisors (1860493).

9261605 is an frugal number, since it uses more digits than its factorization.

9261605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 9261605 is about 3043.2885173772. The cubic root of 9261605 is about 210.0045728407.

The spelling of 9261605 in words is "nine million, two hundred sixty-one thousand, six hundred five".