4103989 has 4 divisors (see below), whose sum is σ = 4121260. Its totient is φ = 4086720.

The previous prime is 4103941. The next prime is 4103999. The reversal of 4103989 is 9893014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 917764 = 1785^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 4103989 - 2⁷ = 4103861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4103999) 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, 8274 + ... + 8755.

It is an arithmetic number, because the mean of its divisors is an integer number (1030315).

Almost surely, 2^4103989 is an apocalyptic number.

It is an amenable number.

4103989 is a deficient number, since it is larger than the sum of its proper divisors (17271).

4103989 is a wasteful number, since it uses less digits than its factorization.

4103989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17270.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4103989 is about 2025.8304470019. The cubic root of 4103989 is about 160.1039558802.

The spelling of 4103989 in words is "four million, one hundred three thousand, nine hundred eighty-nine".