3948189 has 16 divisors (see below), whose sum is σ = 6049920. Its totient is φ = 2243520.

The previous prime is 3948187. The next prime is 3948223. The reversal of 3948189 is 9818493.

It is not a de Polignac number, because 3948189 - 2¹ = 3948187 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (378120).

Almost surely, 2^3948189 is an apocalyptic number.

It is an amenable number.

3948189 is a deficient number, since it is larger than the sum of its proper divisors (2101731).

3948189 is a wasteful number, since it uses less digits than its factorization.

3948189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its digits is 62208, while the sum is 42.

The square root of 3948189 is about 1987.0050327063. The cubic root of 3948189 is about 158.0517509269.

The spelling of 3948189 in words is "three million, nine hundred forty-eight thousand, one hundred eighty-nine".