3203421 has 8 divisors (see below), whose sum is σ = 4599840. Its totient is φ = 1971312.

The previous prime is 3203413. The next prime is 3203443. The reversal of 3203421 is 1243023.

3203421 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 not a de Polignac number, because 3203421 - 2³ = 3203413 is a prime.

It is a super-2 number, since 2×3203421² = 20523812206482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3203421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3203411) 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, 41031 + ... + 41108.

It is an arithmetic number, because the mean of its divisors is an integer number (574980).

Almost surely, 2^3203421 is an apocalyptic number.

It is an amenable number.

3203421 is a deficient number, since it is larger than the sum of its proper divisors (1396419).

3203421 is a wasteful number, since it uses less digits than its factorization.

3203421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82155.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3203421 is about 1789.8103251462. The cubic root of 3203421 is about 147.4137540426.

Adding to 3203421 its reverse (1243023), we get a palindrome (4446444).

It can be divided in two parts, 320 and 3421, that added together give a triangular number (3741 = T₈₆).

The spelling of 3203421 in words is "three million, two hundred three thousand, four hundred twenty-one".