2300728 has 16 divisors (see below), whose sum is σ = 4347000. Its totient is φ = 1141536.

The previous prime is 2300719. The next prime is 2300731. The reversal of 2300728 is 8270032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2300699 and 2300708.

It is a congruent number.

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, 78 + ... + 2146.

2^2300728 is an apocalyptic number.

It is an amenable number.

2300728 is a deficient number, since it is larger than the sum of its proper divisors (2046272).

2300728 is a wasteful number, since it uses less digits than its factorization.

2300728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2300728 is about 1516.8150843132. The cubic root of 2300728 is about 132.0145377316.

The spelling of 2300728 in words is "two million, three hundred thousand, seven hundred twenty-eight".