3621130 has 16 divisors (see below), whose sum is σ = 6548040. Its totient is φ = 1441792.

The previous prime is 3621127. The next prime is 3621139. The reversal of 3621130 is 311263.

It can be written as a sum of positive squares in 4 ways, for example, as 2879809 + 741321 = 1697^2 + 861^2 .

It is a super-2 number, since 2×3621130² = 26225164953800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3621139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866 + ... + 3274.

Almost surely, 2^3621130 is an apocalyptic number.

3621130 is a deficient number, since it is larger than the sum of its proper divisors (2926910).

3621130 is a wasteful number, since it uses less digits than its factorization.

3621130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3621130 is about 1902.9266932806. The cubic root of 3621130 is about 153.5611557681.

Adding to 3621130 its reverse (311263), we get a palindrome (3932393).

It can be divided in two parts, 362 and 1130, that multiplied together give a triangular number (409060 = T₉₀₄).

The spelling of 3621130 in words is "three million, six hundred twenty-one thousand, one hundred thirty".