19828801 has 2 divisors, whose sum is σ = 19828802. Its totient is φ = 19828800.

The previous prime is 19828777. The next prime is 19828807. The reversal of 19828801 is 10882891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15397776 + 4431025 = 3924^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 19828801 - 2⁵ = 19828769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19828807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9914400 + 9914401.

It is an arithmetic number, because the mean of its divisors is an integer number (9914401).

Almost surely, 2^19828801 is an apocalyptic number.

It is an amenable number.

19828801 is a deficient number, since it is larger than the sum of its proper divisors (1).

19828801 is an equidigital number, since it uses as much as digits as its factorization.

19828801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 19828801 is about 4452.9541879521. The cubic root of 19828801 is about 270.6650318669.

The spelling of 19828801 in words is "nineteen million, eight hundred twenty-eight thousand, eight hundred one".