8423261 has 16 divisors (see below), whose sum is σ = 10590720. Its totient is φ = 6508080.

The previous prime is 8423257. The next prime is 8423263. The reversal of 8423261 is 1623248.

It is a cyclic number.

It is not a de Polignac number, because 8423261 - 2² = 8423257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8423261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10310 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (661920).

Almost surely, 2^8423261 is an apocalyptic number.

It is an amenable number.

8423261 is a deficient number, since it is larger than the sum of its proper divisors (2167459).

8423261 is a wasteful number, since it uses less digits than its factorization.

8423261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 2304, while the sum is 26.

The square root of 8423261 is about 2902.2854787219. The cubic root of 8423261 is about 203.4667364893.

The spelling of 8423261 in words is "eight million, four hundred twenty-three thousand, two hundred sixty-one".