2239867 has 4 divisors (see below), whose sum is σ = 2559856. Its totient is φ = 1919880.

The previous prime is 2239847. The next prime is 2239883. The reversal of 2239867 is 7689322.

2239867 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2239867 - 2¹⁵ = 2207099 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3⁶ + 9³ + 8 + 6⁵ + 7⁴ .

It is a Duffinian number.

2239867 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (2239807) 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, 159984 + ... + 159997.

It is an arithmetic number, because the mean of its divisors is an integer number (639964).

2^2239867 is an apocalyptic number.

2239867 is a deficient number, since it is larger than the sum of its proper divisors (319989).

2239867 is an equidigital number, since it uses as much as digits as its factorization.

2239867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319988.

The product of its digits is 36288, while the sum is 37.

The square root of 2239867 is about 1496.6185218685. The cubic root of 2239867 is about 130.8400627621.

The spelling of 2239867 in words is "two million, two hundred thirty-nine thousand, eight hundred sixty-seven".