4189641 has 4 divisors (see below), whose sum is σ = 5586192. Its totient is φ = 2793092.

The previous prime is 4189631. The next prime is 4189643. The reversal of 4189641 is 1469814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4189641 - 2⁵ = 4189609 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4189643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698271 + ... + 698276.

It is an arithmetic number, because the mean of its divisors is an integer number (1396548).

Almost surely, 2^4189641 is an apocalyptic number.

It is an amenable number.

4189641 is a deficient number, since it is larger than the sum of its proper divisors (1396551).

4189641 is a wasteful number, since it uses less digits than its factorization.

4189641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396550.

The product of its digits is 6912, while the sum is 33.

The square root of 4189641 is about 2046.8612556790. The cubic root of 4189641 is about 161.2101085144.

The spelling of 4189641 in words is "four million, one hundred eighty-nine thousand, six hundred forty-one".