3660210 has 48 divisors (see below), whose sum is σ = 9674496. Its totient is φ = 959904.

The previous prime is 3660191. The next prime is 3660211. The reversal of 3660210 is 120663.

It is a happy number.

3660210 is a `hidden beast` number, since 3 + 660 + 2 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5727 + ... + 6333.

It is an arithmetic number, because the mean of its divisors is an integer number (201552).

Almost surely, 2^3660210 is an apocalyptic number.

3660210 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 3660210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4837248).

3660210 is an abundant number, since it is smaller than the sum of its proper divisors (6014286).

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

3660210 is a wasteful number, since it uses less digits than its factorization.

3660210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3660210 is about 1913.1675305629. The cubic root of 3660210 is about 154.1116017937. Note that the first 3 decimals are identical.

Adding to 3660210 its reverse (120663), we get a palindrome (3780873).

The spelling of 3660210 in words is "three million, six hundred sixty thousand, two hundred ten".