4266389 has 4 divisors (see below), whose sum is σ = 4284480. Its totient is φ = 4248300.

The previous prime is 4266377. The next prime is 4266391. The reversal of 4266389 is 9836624.

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 4266389 - 2²⁰ = 3217813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266329) 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, 8687 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1071120).

Almost surely, 2^4266389 is an apocalyptic number.

It is an amenable number.

4266389 is a deficient number, since it is larger than the sum of its proper divisors (18091).

4266389 is a wasteful number, since it uses less digits than its factorization.

4266389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18090.

The product of its digits is 62208, while the sum is 38.

The square root of 4266389 is about 2065.5239044853. The cubic root of 4266389 is about 162.1885347541.

The spelling of 4266389 in words is "four million, two hundred sixty-six thousand, three hundred eighty-nine".