2928428 has 12 divisors (see below), whose sum is σ = 5143320. Its totient is φ = 1458912.

The previous prime is 2928421. The next prime is 2928461. The reversal of 2928428 is 8248292.

It is not an unprimeable number, because it can be changed into a prime (2928421) 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, 83 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (428610).

2^2928428 is an apocalyptic number.

It is an amenable number.

2928428 is a deficient number, since it is larger than the sum of its proper divisors (2214892).

2928428 is a wasteful number, since it uses less digits than its factorization.

2928428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 2654 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 2928428 is about 1711.2650291524. The cubic root of 2928428 is about 143.0687722410.

The spelling of 2928428 in words is "two million, nine hundred twenty-eight thousand, four hundred twenty-eight".