3820187 has 12 divisors (see below), whose sum is σ = 4530816. Its totient is φ = 3210480.

The previous prime is 3820181. The next prime is 3820237. The reversal of 3820187 is 7810283.

It is not a de Polignac number, because 3820187 - 2⁴ = 3820171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3820181) 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, 1862 + ... + 3332.

It is an arithmetic number, because the mean of its divisors is an integer number (377568).

Almost surely, 2^3820187 is an apocalyptic number.

3820187 is a deficient number, since it is larger than the sum of its proper divisors (710629).

3820187 is a wasteful number, since it uses less digits than its factorization.

3820187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3820187 is about 1954.5298667455. The cubic root of 3820187 is about 156.3249172470.

The spelling of 3820187 in words is "three million, eight hundred twenty thousand, one hundred eighty-seven".