190864001 has 2 divisors, whose sum is σ = 190864002. Its totient is φ = 190864000.

The previous prime is 190863989. The next prime is 190864013. The reversal of 190864001 is 100468091.

It is a balanced prime because it is at equal distance from previous prime (190863989) and next prime (190864013).

It can be written as a sum of positive squares in only one way, i.e., 180203776 + 10660225 = 13424^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 190864001 - 2¹⁰ = 190862977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (190864601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95432000 + 95432001.

It is an arithmetic number, because the mean of its divisors is an integer number (95432001).

Almost surely, 2^190864001 is an apocalyptic number.

It is an amenable number.

190864001 is a deficient number, since it is larger than the sum of its proper divisors (1).

190864001 is an equidigital number, since it uses as much as digits as its factorization.

190864001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 190864001 is about 13815.3538137827. The cubic root of 190864001 is about 575.7598031179.

The spelling of 190864001 in words is "one hundred ninety million, eight hundred sixty-four thousand, one".