2238439 has 8 divisors (see below), whose sum is σ = 2587680. Its totient is φ = 1896576.

The previous prime is 2238421. The next prime is 2238473. The reversal of 2238439 is 9348322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2238439 - 2⁷ = 2238311 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 3³ + 8⁷ + 4⁵ + 3⁵ + 9³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2238439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (323460).

2^2238439 is an apocalyptic number.

2238439 is a deficient number, since it is larger than the sum of its proper divisors (349241).

2238439 is an equidigital number, since it uses as much as digits as its factorization.

2238439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689.

The product of its digits is 10368, while the sum is 31.

The square root of 2238439 is about 1496.1413703257. The cubic root of 2238439 is about 130.8122516868.

The spelling of 2238439 in words is "two million, two hundred thirty-eight thousand, four hundred thirty-nine".