3889901 has 2 divisors, whose sum is σ = 3889902. Its totient is φ = 3889900.

The previous prime is 3889891. The next prime is 3889913. The reversal of 3889901 is 1099883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 948676 = 1715^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 3889901 - 2¹⁴ = 3873517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3889201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944950 + 1944951.

It is an arithmetic number, because the mean of its divisors is an integer number (1944951).

Almost surely, 2^3889901 is an apocalyptic number.

It is an amenable number.

3889901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889901 is an equidigital number, since it uses as much as digits as its factorization.

3889901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 3889901 is about 1972.2831946757. The cubic root of 3889901 is about 157.2701072001.

The spelling of 3889901 in words is "three million, eight hundred eighty-nine thousand, nine hundred one".