3086928 has 120 divisors (see below), whose sum is σ = 9952488. Its totient is φ = 884736.

The previous prime is 3086903. The next prime is 3086933. The reversal of 3086928 is 8296803.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 2782224 = 552^2 + 1668^2 .

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 = 3086892 and 3086901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31776 + ... + 31872.

Almost surely, 2^3086928 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 3086928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976244).

3086928 is an abundant number, since it is smaller than the sum of its proper divisors (6865560).

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

3086928 is a wasteful number, since it uses less digits than its factorization.

3086928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3086928 is about 1756.9655659688. The cubic root of 3086928 is about 145.6047355864.

The spelling of 3086928 in words is "three million, eighty-six thousand, nine hundred twenty-eight".