2130236 has 12 divisors (see below), whose sum is σ = 3947328. Its totient is φ = 1002432.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130236 is 6320312.

It is a super-3 number, since 3×2130236³ = 29000428443331752768, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15596 + ... + 15731.

It is an arithmetic number, because the mean of its divisors is an integer number (328944).

2^2130236 is an apocalyptic number.

It is an amenable number.

2130236 is a deficient number, since it is larger than the sum of its proper divisors (1817092).

2130236 is a wasteful number, since it uses less digits than its factorization.

2130236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31348 (or 31346 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2130236 is about 1459.5328019610. The cubic root of 2130236 is about 128.6695868876.

Adding to 2130236 its reverse (6320312), we get a palindrome (8450548).

The spelling of 2130236 in words is "two million, one hundred thirty thousand, two hundred thirty-six".