2130084 has 72 divisors (see below), whose sum is σ = 6107360. Its totient is φ = 641520.

The previous prime is 2130061. The next prime is 2130101. The reversal of 2130084 is 4800312.

2130084 = 68² + 69² + ... + 188².

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12987 + ... + 13149.

2^2130084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3053680).

2130084 is an abundant number, since it is smaller than the sum of its proper divisors (3977276).

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

2130084 is a wasteful number, since it uses less digits than its factorization.

2130084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2130084 is about 1459.4807295747. The cubic root of 2130084 is about 128.6665264689. Note that the first 3 decimals are identical.

Adding to 2130084 its reverse (4800312), we get a palindrome (6930396).

The spelling of 2130084 in words is "two million, one hundred thirty thousand, eighty-four".