8363913 has 4 divisors (see below), whose sum is σ = 11151888. Its totient is φ = 5575940.

The previous prime is 8363903. The next prime is 8363917. The reversal of 8363913 is 3193638.

8363913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 8363913 - 2²² = 4169609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8363917) 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, 1393983 + ... + 1393988.

It is an arithmetic number, because the mean of its divisors is an integer number (2787972).

Almost surely, 2^8363913 is an apocalyptic number.

It is an amenable number.

8363913 is a deficient number, since it is larger than the sum of its proper divisors (2787975).

8363913 is a wasteful number, since it uses less digits than its factorization.

8363913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787974.

The product of its digits is 11664, while the sum is 33.

The square root of 8363913 is about 2892.0430494721. The cubic root of 8363913 is about 202.9877527454.

The spelling of 8363913 in words is "eight million, three hundred sixty-three thousand, nine hundred thirteen".