2928928 has 12 divisors (see below), whose sum is σ = 5766390. Its totient is φ = 1464448.

The previous prime is 2928881. The next prime is 2928929. The reversal of 2928928 is 8298292.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2917264 + 11664 = 1708^2 + 108^2 .

It is not an unprimeable number, because it can be changed into a prime (2928929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45733 + ... + 45796.

2^2928928 is an apocalyptic number.

It is an amenable number.

2928928 is a deficient number, since it is larger than the sum of its proper divisors (2837462).

2928928 is an equidigital number, since it uses as much as digits as its factorization.

2928928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91539 (or 91531 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 2928928 is about 1711.4111136720. The cubic root of 2928928 is about 143.0769143016.

The spelling of 2928928 in words is "two million, nine hundred twenty-eight thousand, nine hundred twenty-eight".