3803213 has 4 divisors (see below), whose sum is σ = 3824640. Its totient is φ = 3781788.

The previous prime is 3803209. The next prime is 3803231. The reversal of 3803213 is 3123083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123083 = 1553 ⋅2011.

It is a cyclic number.

It is not a de Polignac number, because 3803213 - 2² = 3803209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3803203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10445 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (956160).

Almost surely, 2^3803213 is an apocalyptic number.

It is an amenable number.

3803213 is a deficient number, since it is larger than the sum of its proper divisors (21427).

3803213 is a wasteful number, since it uses less digits than its factorization.

3803213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21426.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3803213 is about 1950.1828119435. The cubic root of 3803213 is about 156.0930438807.

Adding to 3803213 its reverse (3123083), we get a palindrome (6926296).

The spelling of 3803213 in words is "three million, eight hundred three thousand, two hundred thirteen".