2442728 has 16 divisors (see below), whose sum is σ = 4738500. Its totient is φ = 1179136.

The previous prime is 2442719. The next prime is 2442767. The reversal of 2442728 is 8272442.

It can be written as a sum of positive squares in 2 ways, for example, as 2365444 + 77284 = 1538^2 + 278^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 2442728.

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, 5033 + ... + 5496.

2^2442728 is an apocalyptic number.

It is an amenable number.

2442728 is a deficient number, since it is larger than the sum of its proper divisors (2295772).

2442728 is a wasteful number, since it uses less digits than its factorization.

2442728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10564 (or 10560 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2442728 is about 1562.9229027690. The cubic root of 2442728 is about 134.6764634684.

The spelling of 2442728 in words is "two million, four hundred forty-two thousand, seven hundred twenty-eight".