3079728 has 40 divisors (see below), whose sum is σ = 8841200. Its totient is φ = 1026432.

The previous prime is 3079721. The next prime is 3079751. The reversal of 3079728 is 8279703.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3079692 and 3079701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3079721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133 + ... + 3996.

It is an arithmetic number, because the mean of its divisors is an integer number (221030).

Almost surely, 2^3079728 is an apocalyptic number.

It is an amenable number.

3079728 is an abundant number, since it is smaller than the sum of its proper divisors (5761472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3079728 is a wasteful number, since it uses less digits than its factorization.

3079728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 3079728 is about 1754.9153825755. The cubic root of 3079728 is about 145.4914438586.

The spelling of 3079728 in words is "three million, seventy-nine thousand, seven hundred twenty-eight".