3086180728 has 8 divisors (see below), whose sum is σ = 5786588880. Its totient is φ = 1543090360.

The previous prime is 3086180723. The next prime is 3086180743. The reversal of 3086180728 is 8270816803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3086180728² = 19049022971757219968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3086180723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192886288 + ... + 192886303.

It is an arithmetic number, because the mean of its divisors is an integer number (723323610).

Almost surely, 2^3086180728 is an apocalyptic number.

It is an amenable number.

3086180728 is a deficient number, since it is larger than the sum of its proper divisors (2700408152).

3086180728 is a wasteful number, since it uses less digits than its factorization.

3086180728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385772597 (or 385772593 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 3086180728 is about 55553.4042881262. The cubic root of 3086180728 is about 1455.9298548806.

The spelling of 3086180728 in words is "three billion, eighty-six million, one hundred eighty thousand, seven hundred twenty-eight".