4061889 has 24 divisors (see below), whose sum is σ = 6388200. Its totient is φ = 2472192.

The previous prime is 4061887. The next prime is 4061903. The reversal of 4061889 is 9881604.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 129600 + 3932289 = 360^2 + 1983^2 .

It is not a de Polignac number, because 4061889 - 2¹ = 4061887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4061887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17317 + ... + 17549.

It is an arithmetic number, because the mean of its divisors is an integer number (266175).

Almost surely, 2^4061889 is an apocalyptic number.

It is an amenable number.

4061889 is a deficient number, since it is larger than the sum of its proper divisors (2326311).

4061889 is a wasteful number, since it uses less digits than its factorization.

4061889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4061889 is about 2015.4128609295. The cubic root of 4061889 is about 159.5546076650.

It can be divided in two parts, 4061 and 889, that added together give a triangular number (4950 = T₉₉).

The spelling of 4061889 in words is "four million, sixty-one thousand, eight hundred eighty-nine".