3008728 has 16 divisors (see below), whose sum is σ = 5973480. Its totient is φ = 1415808.

The previous prime is 3008723. The next prime is 3008741. The reversal of 3008728 is 8278003.

It is a happy number.

It is a super-3 number, since 3×3008728³ = 81709026800212333056, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3008696 and 3008705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3008723) 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, 10926 + ... + 11197.

Almost surely, 2^3008728 is an apocalyptic number.

It is an amenable number.

3008728 is a deficient number, since it is larger than the sum of its proper divisors (2964752).

3008728 is a wasteful number, since it uses less digits than its factorization.

3008728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22146 (or 22142 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 3008728 is about 1734.5685342471. The cubic root of 3008728 is about 144.3646877688.

The spelling of 3008728 in words is "three million, eight thousand, seven hundred twenty-eight".