2081232 has 60 divisors (see below), whose sum is σ = 5924100. Its totient is φ = 681984.

The previous prime is 2081171. The next prime is 2081237. The reversal of 2081232 is 2321802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 553536 + 1527696 = 744^2 + 1236^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13894 + ... + 14042.

It is an arithmetic number, because the mean of its divisors is an integer number (98735).

2^2081232 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 2081232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962050).

2081232 is an abundant number, since it is smaller than the sum of its proper divisors (3842868).

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

2081232 is a wasteful number, since it uses less digits than its factorization.

2081232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 251 counting only the distinct ones).

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

The square root of 2081232 is about 1442.6475661089. The cubic root of 2081232 is about 127.6752837122.

The spelling of 2081232 in words is "two million, eighty-one thousand, two hundred thirty-two".