2238685 has 8 divisors (see below), whose sum is σ = 2759256. Its totient is φ = 1742400.

The previous prime is 2238673. The next prime is 2238703. The reversal of 2238685 is 5868322.

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 793881 = 1202^2 + 891^2 .

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

It is not a de Polignac number, because 2238685 - 2⁵ = 2238653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2238685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5866 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (344907).

2^2238685 is an apocalyptic number.

It is an amenable number.

2238685 is a deficient number, since it is larger than the sum of its proper divisors (520571).

2238685 is a wasteful number, since it uses less digits than its factorization.

2238685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143.

The product of its digits is 23040, while the sum is 34.

The square root of 2238685 is about 1496.2235795495. The cubic root of 2238685 is about 130.8170435135.

The spelling of 2238685 in words is "two million, two hundred thirty-eight thousand, six hundred eighty-five".