8621363 has 4 divisors (see below), whose sum is σ = 9128520. Its totient is φ = 8114208.

The previous prime is 8621339. The next prime is 8621377. The reversal of 8621363 is 3631268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8621363 - 2⁶ = 8621299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8621863) 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 3 ways as a sum of consecutive naturals, for example, 253553 + ... + 253586.

It is an arithmetic number, because the mean of its divisors is an integer number (2282130).

Almost surely, 2^8621363 is an apocalyptic number.

8621363 is a deficient number, since it is larger than the sum of its proper divisors (507157).

8621363 is a wasteful number, since it uses less digits than its factorization.

8621363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507156.

The product of its digits is 5184, while the sum is 29.

The square root of 8621363 is about 2936.2157618268. The cubic root of 8621363 is about 205.0494665478.

The spelling of 8621363 in words is "eight million, six hundred twenty-one thousand, three hundred sixty-three".