3822140 has 48 divisors (see below), whose sum is σ = 9580032. Its totient is φ = 1252416.

The previous prime is 3822139. The next prime is 3822157. The reversal of 3822140 is 412283.

3822140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2627 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

Almost surely, 2^3822140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3822140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4790016).

3822140 is an abundant number, since it is smaller than the sum of its proper divisors (5757892).

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

3822140 is a wasteful number, since it uses less digits than its factorization.

3822140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3822140 is about 1955.0294115435. The cubic root of 3822140 is about 156.3515521169.

The spelling of 3822140 in words is "three million, eight hundred twenty-two thousand, one hundred forty".