2031596 has 36 divisors (see below), whose sum is σ = 4254768. Its totient is φ = 831168.

The previous prime is 2031593. The next prime is 2031599. The reversal of 2031596 is 6951302.

It is an interprime number because it is at equal distance from previous prime (2031593) and next prime (2031599).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38306 + ... + 38358.

It is an arithmetic number, because the mean of its divisors is an integer number (118188).

2^2031596 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 2031596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127384).

2031596 is an abundant number, since it is smaller than the sum of its proper divisors (2223172).

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

2031596 is a wasteful number, since it uses less digits than its factorization.

2031596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2031596 is about 1425.3406610351. The cubic root of 2031596 is about 126.6521159032.

Adding to 2031596 its reverse (6951302), we get a palindrome (8982898).

The spelling of 2031596 in words is "two million, thirty-one thousand, five hundred ninety-six".