3950189 has 2 divisors, whose sum is σ = 3950190. Its totient is φ = 3950188.

The previous prime is 3950183. The next prime is 3950197. The reversal of 3950189 is 9810593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 128164 = 1955^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 3950189 - 2⁴ = 3950173 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 (3950183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975094 + 1975095.

It is an arithmetic number, because the mean of its divisors is an integer number (1975095).

Almost surely, 2^3950189 is an apocalyptic number.

It is an amenable number.

3950189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3950189 is an equidigital number, since it uses as much as digits as its factorization.

3950189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 3950189 is about 1987.5082389766. The cubic root of 3950189 is about 158.0784340586.

The spelling of 3950189 in words is "three million, nine hundred fifty thousand, one hundred eighty-nine".