3800020 has 24 divisors (see below), whose sum is σ = 9120384. Its totient is φ = 1302816.

The previous prime is 3799973. The next prime is 3800021. The reversal of 3800020 is 200083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13432 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (380016).

Almost surely, 2^3800020 is an apocalyptic number.

It is an amenable number.

3800020 is an abundant number, since it is smaller than the sum of its proper divisors (5320364).

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

3800020 is a wasteful number, since it uses less digits than its factorization.

3800020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27159 (or 27157 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3800020 is about 1949.3639988468. The cubic root of 3800020 is about 156.0493488406.

The spelling of 3800020 in words is "three million, eight hundred thousand, twenty".