2162140 has 12 divisors (see below), whose sum is σ = 4540536. Its totient is φ = 864848.

The previous prime is 2162137. The next prime is 2162177. The reversal of 2162140 is 412612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54034 + ... + 54073.

It is an arithmetic number, because the mean of its divisors is an integer number (378378).

2^2162140 is an apocalyptic number.

2162140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162140 is an abundant number, since it is smaller than the sum of its proper divisors (2378396).

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

2162140 is a wasteful number, since it uses less digits than its factorization.

2162140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108116 (or 108114 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2162140 is about 1470.4217082184. The cubic root of 2162140 is about 129.3087570359.

Adding to 2162140 its reverse (412612), we get a palindrome (2574752).

The spelling of 2162140 in words is "two million, one hundred sixty-two thousand, one hundred forty".