4119989 has 4 divisors (see below), whose sum is σ = 4125324. Its totient is φ = 4114656.

The previous prime is 4119977. The next prime is 4119991. The reversal of 4119989 is 9899114.

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 940900 + 3179089 = 970^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 4119989 - 2¹² = 4115893 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 (4119919) 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, 1262 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (1031331).

Almost surely, 2^4119989 is an apocalyptic number.

It is an amenable number.

4119989 is a deficient number, since it is larger than the sum of its proper divisors (5335).

4119989 is an equidigital number, since it uses as much as digits as its factorization.

4119989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334.

The product of its digits is 23328, while the sum is 41.

The square root of 4119989 is about 2029.7756033611. The cubic root of 4119989 is about 160.3117489550.

The spelling of 4119989 in words is "four million, one hundred nineteen thousand, nine hundred eighty-nine".