2928656 has 10 divisors (see below), whose sum is σ = 5674302. Its totient is φ = 1464320.

The previous prime is 2928647. The next prime is 2928677. The reversal of 2928656 is 6568292.

It can be written as a sum of positive squares in only one way, i.e., 2755600 + 173056 = 1660^2 + 416^2 .

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, 91505 + ... + 91536.

2^2928656 is an apocalyptic number.

It is an amenable number.

2928656 is a deficient number, since it is larger than the sum of its proper divisors (2745646).

2928656 is a wasteful number, since it uses less digits than its factorization.

2928656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183049 (or 183043 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 2928656 is about 1711.3316452400. The cubic root of 2928656 is about 143.0724851356.

The spelling of 2928656 in words is "two million, nine hundred twenty-eight thousand, six hundred fifty-six".