2239638 has 8 divisors (see below), whose sum is σ = 4479288. Its totient is φ = 746544.

The previous prime is 2239607. The next prime is 2239639. The reversal of 2239638 is 8369322.

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

2239638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2239599 and 2239608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239639) 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, 186631 + ... + 186642.

It is an arithmetic number, because the mean of its divisors is an integer number (559911).

2^2239638 is an apocalyptic number.

2239638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2239638 is a wasteful number, since it uses less digits than its factorization.

2239638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373278.

The product of its digits is 15552, while the sum is 33.

The square root of 2239638 is about 1496.5420141112. The cubic root of 2239638 is about 130.8356036587.

The spelling of 2239638 in words is "two million, two hundred thirty-nine thousand, six hundred thirty-eight".