8920913 has 2 divisors, whose sum is σ = 8920914. Its totient is φ = 8920912.

The previous prime is 8920889. The next prime is 8920921. The reversal of 8920913 is 3190298.

8920913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8720209 + 200704 = 2953^2 + 448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8920913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8920913.

It is not a weakly prime, because it can be changed into another prime (8920943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4460456 + 4460457.

It is an arithmetic number, because the mean of its divisors is an integer number (4460457).

Almost surely, 2^8920913 is an apocalyptic number.

It is an amenable number.

8920913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8920913 is an equidigital number, since it uses as much as digits as its factorization.

8920913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 8920913 is about 2986.7897482079. The cubic root of 8920913 is about 207.3973014803.

The spelling of 8920913 in words is "eight million, nine hundred twenty thousand, nine hundred thirteen".