9256861 has 4 divisors (see below), whose sum is σ = 9263232. Its totient is φ = 9250492.

The previous prime is 9256837. The next prime is 9256873. The reversal of 9256861 is 1686529.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1686529 = 13 ⋅129733.

It is a cyclic number.

It is not a de Polignac number, because 9256861 - 2⁷ = 9256733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9256861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9256831) 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, 180 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (2315808).

Almost surely, 2^9256861 is an apocalyptic number.

It is an amenable number.

9256861 is a deficient number, since it is larger than the sum of its proper divisors (6371).

9256861 is a wasteful number, since it uses less digits than its factorization.

9256861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370.

The product of its digits is 25920, while the sum is 37.

The square root of 9256861 is about 3042.5089975216. The cubic root of 9256861 is about 209.9687103797.

It can be divided in two parts, 92568 and 61, that added together give a palindrome (92629).

The spelling of 9256861 in words is "nine million, two hundred fifty-six thousand, eight hundred sixty-one".