3810020 has 24 divisors (see below), whose sum is σ = 8278200. Its totient is φ = 1471232.

The previous prime is 3810017. The next prime is 3810031. The reversal of 3810020 is 200183.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 2715904 = 1046^2 + 1648^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3809977 and 3810004.

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, 2705 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (344925).

Almost surely, 2^3810020 is an apocalyptic number.

It is an amenable number.

3810020 is an abundant number, since it is smaller than the sum of its proper divisors (4468180).

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

3810020 is a wasteful number, since it uses less digits than its factorization.

3810020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607 (or 6605 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3810020 is about 1951.9272527428. The cubic root of 3810020 is about 156.1861136155.

The spelling of 3810020 in words is "three million, eight hundred ten thousand, twenty".