2131608 has 16 divisors (see below), whose sum is σ = 5329080. Its totient is φ = 710528.

The previous prime is 2131603. The next prime is 2131609. The reversal of 2131608 is 8061312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131601) 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, 44385 + ... + 44432.

2^2131608 is an apocalyptic number.

It is an amenable number.

2131608 is an abundant number, since it is smaller than the sum of its proper divisors (3197472).

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

2131608 is a wasteful number, since it uses less digits than its factorization.

2131608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88826 (or 88822 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2131608 is about 1460.0027397235. The cubic root of 2131608 is about 128.6972046081.

The spelling of 2131608 in words is "two million, one hundred thirty-one thousand, six hundred eight".