2130300 has 90 divisors (see below), whose sum is σ = 6931848. Its totient is φ = 565920.

The previous prime is 2130269. The next prime is 2130307. The reversal of 2130300 is 30312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130307) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7969 + ... + 8231.

2^2130300 is an apocalyptic number.

2130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3465924).

2130300 is an abundant number, since it is smaller than the sum of its proper divisors (4801548).

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

2130300 is a wasteful number, since it uses less digits than its factorization.

2130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 2130300 is about 1459.5547266204. The cubic root of 2130300 is about 128.6708754414.

Adding to 2130300 its reverse (30312), we get a palindrome (2160612).

The spelling of 2130300 in words is "two million, one hundred thirty thousand, three hundred".