3831020 has 12 divisors (see below), whose sum is σ = 8045184. Its totient is φ = 1532400.

The previous prime is 3831019. The next prime is 3831043. The reversal of 3831020 is 201383.

It is a self number, because there is not a number n which added to its sum of digits gives 3831020.

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 3 ways as a sum of consecutive naturals, for example, 95756 + ... + 95795.

It is an arithmetic number, because the mean of its divisors is an integer number (670432).

Almost surely, 2^3831020 is an apocalyptic number.

It is an amenable number.

3831020 is an abundant number, since it is smaller than the sum of its proper divisors (4214164).

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

3831020 is a wasteful number, since it uses less digits than its factorization.

3831020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191560 (or 191558 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3831020 is about 1957.2991595564. The cubic root of 3831020 is about 156.4725426215.

The spelling of 3831020 in words is "three million, eight hundred thirty-one thousand, twenty".