3680028 has 36 divisors (see below), whose sum is σ = 10149048. Its totient is φ = 1115040.

The previous prime is 3680011. The next prime is 3680029. The reversal of 3680028 is 8200863.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 3679983 and 3680010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4251 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (281918).

Almost surely, 2^3680028 is an apocalyptic number.

It is an amenable number.

3680028 is an abundant number, since it is smaller than the sum of its proper divisors (6469020).

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

3680028 is a wasteful number, since it uses less digits than its factorization.

3680028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314 (or 9309 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3680028 is about 1918.3399073157. The cubic root of 3680028 is about 154.3892441522.

The spelling of 3680028 in words is "three million, six hundred eighty thousand, twenty-eight".