3819901 has 2 divisors, whose sum is σ = 3819902. Its totient is φ = 3819900.

The previous prime is 3819899. The next prime is 3819923. The reversal of 3819901 is 1099183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3511876 + 308025 = 1874^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 3819901 - 2¹ = 3819899 is a prime.

Together with 3819899, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3819301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909950 + 1909951.

It is an arithmetic number, because the mean of its divisors is an integer number (1909951).

Almost surely, 2^3819901 is an apocalyptic number.

It is an amenable number.

3819901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3819901 is an equidigital number, since it uses as much as digits as its factorization.

3819901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 3819901 is about 1954.4567020019. The cubic root of 3819901 is about 156.3210160381.

The spelling of 3819901 in words is "three million, eight hundred nineteen thousand, nine hundred one".