3077928 has 96 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 846720.

The previous prime is 3077927. The next prime is 3077939. The reversal of 3077928 is 8297703.

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 = 3077892 and 3077901.

It is not an unprimeable number, because it can be changed into a prime (3077927) 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 23 ways as a sum of consecutive naturals, for example, 15526 + ... + 15722.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

Almost surely, 2^3077928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3077928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4942080).

3077928 is an abundant number, since it is smaller than the sum of its proper divisors (6806232).

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

3077928 is a wasteful number, since it uses less digits than its factorization.

3077928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 240 counting only the distinct ones).

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

The square root of 3077928 is about 1754.4024623786. The cubic root of 3077928 is about 145.4630933424.

It can be divided in two parts, 3077 and 928, that added together give a triangular number (4005 = T₈₉).

The spelling of 3077928 in words is "three million, seventy-seven thousand, nine hundred twenty-eight".