3620213 has 4 divisors (see below), whose sum is σ = 3704448. Its totient is φ = 3535980.

The previous prime is 3620209. The next prime is 3620231. The reversal of 3620213 is 3120263.

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.

It is a cyclic number.

It is not a de Polignac number, because 3620213 - 2² = 3620209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3620191 and 3620200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620293) 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, 42053 + ... + 42138.

It is an arithmetic number, because the mean of its divisors is an integer number (926112).

Almost surely, 2^3620213 is an apocalyptic number.

It is an amenable number.

3620213 is a deficient number, since it is larger than the sum of its proper divisors (84235).

3620213 is an equidigital number, since it uses as much as digits as its factorization.

3620213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84234.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3620213 is about 1902.6857333780. The cubic root of 3620213 is about 153.5481922762.

Adding to 3620213 its reverse (3120263), we get a palindrome (6740476).

The spelling of 3620213 in words is "three million, six hundred twenty thousand, two hundred thirteen".