3612210 has 64 divisors (see below), whose sum is σ = 10063872. Its totient is φ = 812736.

The previous prime is 3612209. The next prime is 3612221. The reversal of 3612210 is 122163.

It is a super-2 number, since 2×3612210² = 26096122168200, 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 3612210.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21547 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

Almost surely, 2^3612210 is an apocalyptic number.

3612210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3612210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5031936).

3612210 is an abundant number, since it is smaller than the sum of its proper divisors (6451662).

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

3612210 is a wasteful number, since it uses less digits than its factorization.

3612210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

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

The square root of 3612210 is about 1900.5814899656. The cubic root of 3612210 is about 153.4349620316.

Adding to 3612210 its reverse (122163), we get a palindrome (3734373).

It can be divided in two parts, 36 and 12210, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 3612210 in words is "three million, six hundred twelve thousand, two hundred ten".