3853421 has 8 divisors (see below), whose sum is σ = 4527264. Its totient is φ = 3233520.

The previous prime is 3853417. The next prime is 3853427. The reversal of 3853421 is 1243583.

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 3853421 - 2² = 3853417 is a prime.

It is a super-5 number, since 5×3853421⁵ (a number of 34 digits) contains 55555 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13331 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (565908).

Almost surely, 2^3853421 is an apocalyptic number.

It is an amenable number.

3853421 is a deficient number, since it is larger than the sum of its proper divisors (673843).

3853421 is a wasteful number, since it uses less digits than its factorization.

3853421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26971.

The product of its digits is 2880, while the sum is 26.

The square root of 3853421 is about 1963.0132449884. The cubic root of 3853421 is about 156.7769290686.

The spelling of 3853421 in words is "three million, eight hundred fifty-three thousand, four hundred twenty-one".