3628213 has 4 divisors (see below), whose sum is σ = 3716748. Its totient is φ = 3539680.

The previous prime is 3628201. The next prime is 3628243. The reversal of 3628213 is 3128263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3128263 = 61 ⋅51283.

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 3359889 = 518^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628213 - 2¹³ = 3620021 is a prime.

It is a Duffinian number.

3628213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3628243) 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, 44206 + ... + 44287.

It is an arithmetic number, because the mean of its divisors is an integer number (929187).

Almost surely, 2^3628213 is an apocalyptic number.

It is an amenable number.

3628213 is a deficient number, since it is larger than the sum of its proper divisors (88535).

3628213 is an equidigital number, since it uses as much as digits as its factorization.

3628213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88534.

The product of its digits is 1728, while the sum is 25.

The square root of 3628213 is about 1904.7868647174. The cubic root of 3628213 is about 153.6612134173.

The spelling of 3628213 in words is "three million, six hundred twenty-eight thousand, two hundred thirteen".