8621263 has 8 divisors (see below), whose sum is σ = 9955232. Its totient is φ = 7312896.

The previous prime is 8621243. The next prime is 8621281. The reversal of 8621263 is 3621268.

8621263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-8621263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5670 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (1244404).

Almost surely, 2^8621263 is an apocalyptic number.

8621263 is a deficient number, since it is larger than the sum of its proper divisors (1333969).

8621263 is a wasteful number, since it uses less digits than its factorization.

8621263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801.

The product of its digits is 3456, while the sum is 28.

The square root of 8621263 is about 2936.1987330561. The cubic root of 8621263 is about 205.0486737487.

The spelling of 8621263 in words is "eight million, six hundred twenty-one thousand, two hundred sixty-three".