2081432 has 8 divisors (see below), whose sum is σ = 3902700. Its totient is φ = 1040712.

The previous prime is 2081423. The next prime is 2081437. The reversal of 2081432 is 2341802.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081437) 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 as a sum of consecutive naturals, namely, 130082 + ... + 130097.

2^2081432 is an apocalyptic number.

It is an amenable number.

2081432 is a deficient number, since it is larger than the sum of its proper divisors (1821268).

2081432 is a wasteful number, since it uses less digits than its factorization.

2081432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260185 (or 260181 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2081432 is about 1442.7168814428. The cubic root of 2081432 is about 127.6793733153.

The spelling of 2081432 in words is "two million, eighty-one thousand, four hundred thirty-two".