3822040 has 64 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 1404288.

The previous prime is 3822037. The next prime is 3822041. The reversal of 3822040 is 402283.

3822040 = T₄₁₇ + T₄₁₈ + ... + T₄₅₆.

It is a happy number.

3822040 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 (19).

It is a junction number, because it is equal to n+sod(n) for n = 3821999 and 3822017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3822041) by changing a digit.

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, 35667 + ... + 35773.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^3822040 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 3822040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665600).

3822040 is an abundant number, since it is smaller than the sum of its proper divisors (5509160).

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

3822040 is a wasteful number, since it uses less digits than its factorization.

3822040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3822040 is about 1955.0038363134. The cubic root of 3822040 is about 156.3501885447.

The spelling of 3822040 in words is "three million, eight hundred twenty-two thousand, forty".