4367989 has 4 divisors (see below), whose sum is σ = 4423360. Its totient is φ = 4312620.

The previous prime is 4367981. The next prime is 4368011. The reversal of 4367989 is 9897634.

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 4367989 - 2³ = 4367981 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 (4367981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27567 + ... + 27724.

It is an arithmetic number, because the mean of its divisors is an integer number (1105840).

Almost surely, 2^4367989 is an apocalyptic number.

It is an amenable number.

4367989 is a deficient number, since it is larger than the sum of its proper divisors (55371).

4367989 is an equidigital number, since it uses as much as digits as its factorization.

4367989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55370.

The product of its digits is 326592, while the sum is 46.

The square root of 4367989 is about 2089.9734448074. The cubic root of 4367989 is about 163.4659032915.

It can be divided in two parts, 4367 and 989, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4367989 in words is "four million, three hundred sixty-seven thousand, nine hundred eighty-nine".