9618261 has 16 divisors (see below), whose sum is σ = 13362624. Its totient is φ = 6148224.

The previous prime is 9618253. The next prime is 9618307. The reversal of 9618261 is 1628169.

It is not a de Polignac number, because 9618261 - 2³ = 9618253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9618241) 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 15 ways as a sum of consecutive naturals, for example, 7510 + ... + 8696.

It is an arithmetic number, because the mean of its divisors is an integer number (835164).

Almost surely, 2^9618261 is an apocalyptic number.

It is an amenable number.

9618261 is a deficient number, since it is larger than the sum of its proper divisors (3744363).

9618261 is a wasteful number, since it uses less digits than its factorization.

9618261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 5184, while the sum is 33.

The square root of 9618261 is about 3101.3321331325. The cubic root of 9618261 is about 212.6663868713. Note that the first 3 decimals are identical.

The spelling of 9618261 in words is "nine million, six hundred eighteen thousand, two hundred sixty-one".