3030920685 has 96 divisors (see below), whose sum is σ = 5903858688. Its totient is φ = 1428295680.

The previous prime is 3030920681. The next prime is 3030920687. The reversal of 3030920685 is 5860290303.

It is not a de Polignac number, because 3030920685 - 2² = 3030920681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030920681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1758234 + ... + 1759956.

It is an arithmetic number, because the mean of its divisors is an integer number (61498528).

Almost surely, 2^3030920685 is an apocalyptic number.

It is an amenable number.

3030920685 is a deficient number, since it is larger than the sum of its proper divisors (2872938003).

3030920685 is a wasteful number, since it uses less digits than its factorization.

3030920685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3030920685 is about 55053.7980978606. The cubic root of 3030920685 is about 1447.1876817297.

The spelling of 3030920685 in words is "three billion, thirty million, nine hundred twenty thousand, six hundred eighty-five".