3130928 has 20 divisors (see below), whose sum is σ = 6145440. Its totient is φ = 1545024.

The previous prime is 3130913. The next prime is 3130943. The reversal of 3130928 is 8290313.

3130928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3130913) and next prime (3130943).

It is a junction number, because it is equal to n+sod(n) for n = 3130897 and 3130906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (307272).

Almost surely, 2^3130928 is an apocalyptic number.

It is an amenable number.

3130928 is a deficient number, since it is larger than the sum of its proper divisors (3014512).

3130928 is a wasteful number, since it uses less digits than its factorization.

3130928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3130928 is about 1769.4428501650. The cubic root of 3130928 is about 146.2932742617.

The spelling of 3130928 in words is "three million, one hundred thirty thousand, nine hundred twenty-eight".