2402728 has 16 divisors (see below), whose sum is σ = 4536180. Its totient is φ = 1193088.

The previous prime is 2402707. The next prime is 2402731. The reversal of 2402728 is 8272042.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 24964 = 1542^2 + 158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300 + ... + 2212.

2^2402728 is an apocalyptic number.

It is an amenable number.

2402728 is a deficient number, since it is larger than the sum of its proper divisors (2133452).

2402728 is a wasteful number, since it uses less digits than its factorization.

2402728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2402728 is about 1550.0735466422. The cubic root of 2402728 is about 133.9372989496.

The spelling of 2402728 in words is "two million, four hundred two thousand, seven hundred twenty-eight".