928813 has 2 divisors, whose sum is σ = 928814. Its totient is φ = 928812.

The previous prime is 928799. The next prime is 928817. The reversal of 928813 is 318829.

928813 is digitally balanced in base 2, 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., 927369 + 1444 = 963^2 + 38^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-928813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464406 + 464407.

It is an arithmetic number, because the mean of its divisors is an integer number (464407).

2⁹²⁸⁸¹³ is an apocalyptic number.

It is an amenable number.

928813 is a deficient number, since it is larger than the sum of its proper divisors (1).

928813 is an equidigital number, since it uses as much as digits as its factorization.

928813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 928813 is about 963.7494487677. The cubic root of 928813 is about 97.5684551039.

The spelling of 928813 in words is "nine hundred twenty-eight thousand, eight hundred thirteen".