3621210 has 32 divisors (see below), whose sum is σ = 9149760. Its totient is φ = 914688.

The previous prime is 3621199. The next prime is 3621217. The reversal of 3621210 is 121263.

3621210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3621210² = 26226323728200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3621210.

It is not an unprimeable number, because it can be changed into a prime (3621217) 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 15 ways as a sum of consecutive naturals, for example, 2607 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (285930).

Almost surely, 2^3621210 is an apocalyptic number.

3621210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3621210 is an abundant number, since it is smaller than the sum of its proper divisors (5528550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3621210 is a wasteful number, since it uses less digits than its factorization.

3621210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3621210 is about 1902.9477134173. The cubic root of 3621210 is about 153.5622866123.

Adding to 3621210 its reverse (121263), we get a palindrome (3742473).

The spelling of 3621210 in words is "three million, six hundred twenty-one thousand, two hundred ten".