2821732 has 12 divisors (see below), whose sum is σ = 5152896. Its totient is φ = 1349480.

The previous prime is 2821717. The next prime is 2821733. The reversal of 2821732 is 2371282.

It is a junction number, because it is equal to n+sod(n) for n = 2821697 and 2821706.

It is not an unprimeable number, because it can be changed into a prime (2821733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15244 + ... + 15427.

It is an arithmetic number, because the mean of its divisors is an integer number (429408).

2^2821732 is an apocalyptic number.

It is an amenable number.

2821732 is a deficient number, since it is larger than the sum of its proper divisors (2331164).

2821732 is a wasteful number, since it uses less digits than its factorization.

2821732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30698 (or 30696 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 2821732 is about 1679.8011787113. The cubic root of 2821732 is about 141.3096826649.

It can be divided in two parts, 2821 and 732, that added together give a palindrome (3553).

The spelling of 2821732 in words is "two million, eight hundred twenty-one thousand, seven hundred thirty-two".