3680238 has 16 divisors (see below), whose sum is σ = 7434576. Its totient is φ = 1214400.

The previous prime is 3680213. The next prime is 3680249. The reversal of 3680238 is 8320863.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431 + ... + 3642.

It is an arithmetic number, because the mean of its divisors is an integer number (464661).

Almost surely, 2^3680238 is an apocalyptic number.

3680238 is an abundant number, since it is smaller than the sum of its proper divisors (3754338).

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

3680238 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 3680238 = (6828303)₉.

3680238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3680238 is about 1918.3946413603. The cubic root of 3680238 is about 154.3921808259.

The spelling of 3680238 in words is "three million, six hundred eighty thousand, two hundred thirty-eight".