928390913 has 2 divisors, whose sum is σ = 928390914. Its totient is φ = 928390912.

The previous prime is 928390871. The next prime is 928390933. The reversal of 928390913 is 319093829.

928390913 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., 793436224 + 134954689 = 28168^2 + 11617^2 .

It is a cyclic number.

It is not a de Polignac number, because 928390913 - 2⁶ = 928390849 is a prime.

It is not a weakly prime, because it can be changed into another prime (928390933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464195456 + 464195457.

It is an arithmetic number, because the mean of its divisors is an integer number (464195457).

Almost surely, 2^928390913 is an apocalyptic number.

It is an amenable number.

928390913 is a deficient number, since it is larger than the sum of its proper divisors (1).

928390913 is an equidigital number, since it uses as much as digits as its factorization.

928390913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 928390913 is about 30469.5079218553. The cubic root of 928390913 is about 975.5367329230.

The spelling of 928390913 in words is "nine hundred twenty-eight million, three hundred ninety thousand, nine hundred thirteen".