3798021 has 8 divisors (see below), whose sum is σ = 5361984. Its totient is φ = 2383040.

The previous prime is 3798019. The next prime is 3798031. The reversal of 3798021 is 1208973.

It is a happy number.

3798021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3798021 - 2¹ = 3798019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3798021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798001) 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 7 ways as a sum of consecutive naturals, for example, 37185 + ... + 37286.

It is an arithmetic number, because the mean of its divisors is an integer number (670248).

Almost surely, 2^3798021 is an apocalyptic number.

It is an amenable number.

3798021 is a deficient number, since it is larger than the sum of its proper divisors (1563963).

3798021 is a wasteful number, since it uses less digits than its factorization.

3798021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74491.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3798021 is about 1948.8512000663. The cubic root of 3798021 is about 156.0219807949.

The spelling of 3798021 in words is "three million, seven hundred ninety-eight thousand, twenty-one".