3853121 has 8 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 3664672.

The previous prime is 3853111. The next prime is 3853141. The reversal of 3853121 is 1213583.

3853121 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 a de Polignac number, because none of the positive numbers 2^k-3853121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3853111) 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, 5000 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (505440).

Almost surely, 2^3853121 is an apocalyptic number.

It is an amenable number.

3853121 is a deficient number, since it is larger than the sum of its proper divisors (190399).

3853121 is a wasteful number, since it uses less digits than its factorization.

3853121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its digits is 720, while the sum is 23.

The square root of 3853121 is about 1962.9368303641. The cubic root of 3853121 is about 156.7728604502.

The spelling of 3853121 in words is "three million, eight hundred fifty-three thousand, one hundred twenty-one".