2130436 has 24 divisors (see below), whose sum is σ = 4648896. Its totient is φ = 829920.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130436 is 6340312.

It is not an unprimeable number, because it can be changed into a prime (2130437) 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, 3151 + ... + 3766.

It is an arithmetic number, because the mean of its divisors is an integer number (193704).

2^2130436 is an apocalyptic number.

It is an amenable number.

2130436 is an abundant number, since it is smaller than the sum of its proper divisors (2518460).

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

2130436 is a wasteful number, since it uses less digits than its factorization.

2130436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939 (or 6937 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2130436 is about 1459.6013154283. The cubic root of 2130436 is about 128.6736135325.

Adding to 2130436 its reverse (6340312), we get a palindrome (8470748).

The spelling of 2130436 in words is "two million, one hundred thirty thousand, four hundred thirty-six".