2688832 has 14 divisors (see below), whose sum is σ = 5335778. Its totient is φ = 1344384.

The previous prime is 2688817. The next prime is 2688859. The reversal of 2688832 is 2388862.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 179776 = 1584^2 + 424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2688791 and 2688800.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20943 + ... + 21070.

It is an arithmetic number, because the mean of its divisors is an integer number (381127).

2^2688832 is an apocalyptic number.

It is an amenable number.

2688832 is a deficient number, since it is larger than the sum of its proper divisors (2646946).

2688832 is an equidigital number, since it uses as much as digits as its factorization.

2688832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42025 (or 42015 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 2688832 is about 1639.7658369414. The cubic root of 2688832 is about 139.0554098224.

The spelling of 2688832 in words is "two million, six hundred eighty-eight thousand, eight hundred thirty-two".