3854421 has 12 divisors (see below), whose sum is σ = 5585580. Its totient is φ = 2561280.

The previous prime is 3854387. The next prime is 3854429. The reversal of 3854421 is 1244583.

3854421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 3348900 = 711^2 + 1830^2 .

It is not a de Polignac number, because 3854421 - 2⁹ = 3853909 is a prime.

It is a super-2 number, since 2×3854421² = 29713122490482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854429) 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 11 ways as a sum of consecutive naturals, for example, 3685 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (465465).

Almost surely, 2^3854421 is an apocalyptic number.

It is an amenable number.

3854421 is a deficient number, since it is larger than the sum of its proper divisors (1731159).

3854421 is a wasteful number, since it uses less digits than its factorization.

3854421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396 (or 1393 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 3854421 is about 1963.2679389222. The cubic root of 3854421 is about 156.7904896052.

The spelling of 3854421 in words is "three million, eight hundred fifty-four thousand, four hundred twenty-one".