3820044 has 12 divisors (see below), whose sum is σ = 8913464. Its totient is φ = 1273344.

The previous prime is 3820043. The next prime is 3820051. The reversal of 3820044 is 4400283.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3820044.

It is not an unprimeable number, because it can be changed into a prime (3820043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159157 + ... + 159180.

Almost surely, 2^3820044 is an apocalyptic number.

It is an amenable number.

3820044 is an abundant number, since it is smaller than the sum of its proper divisors (5093420).

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

3820044 is a wasteful number, since it uses less digits than its factorization.

3820044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318344 (or 318342 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3820044 is about 1954.4932847160. The cubic root of 3820044 is about 156.3229666669.

The spelling of 3820044 in words is "three million, eight hundred twenty thousand, forty-four".