928641001 has 2 divisors, whose sum is σ = 928641002. Its totient is φ = 928641000.

The previous prime is 928640989. The next prime is 928641071. The reversal of 928641001 is 100146829.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549949401 + 378691600 = 23451^2 + 19460^2 .

It is an emirp because it is prime and its reverse (100146829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 928641001 - 2⁷ = 928640873 is a prime.

It is not a weakly prime, because it can be changed into another prime (928641071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464320500 + 464320501.

It is an arithmetic number, because the mean of its divisors is an integer number (464320501).

Almost surely, 2^928641001 is an apocalyptic number.

It is an amenable number.

928641001 is a deficient number, since it is larger than the sum of its proper divisors (1).

928641001 is an equidigital number, since it uses as much as digits as its factorization.

928641001 is an odious number, because the sum of its binary digits is odd.

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

The square root of 928641001 is about 30473.6115516359. The cubic root of 928641001 is about 975.6243210728.

The spelling of 928641001 in words is "nine hundred twenty-eight million, six hundred forty-one thousand, one".