3056390685 has 16 divisors (see below), whose sum is σ = 5433583680. Its totient is φ = 1630074960.

The previous prime is 3056390681. The next prime is 3056390717. The reversal of 3056390685 is 5860936503.

3056390685 is a `hidden beast` number, since 3 + 0 + 5 + 639 + 0 + 6 + 8 + 5 = 666.

3056390685 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3056390685 - 2² = 3056390681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3056390685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3056390681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11319831 + ... + 11320100.

It is an arithmetic number, because the mean of its divisors is an integer number (339598980).

Almost surely, 2^3056390685 is an apocalyptic number.

It is an amenable number.

3056390685 is a deficient number, since it is larger than the sum of its proper divisors (2377192995).

3056390685 is a wasteful number, since it uses less digits than its factorization.

3056390685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22639945 (or 22639939 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 3056390685 is about 55284.6333532203. The cubic root of 3056390685 is about 1451.2301388090.

The spelling of 3056390685 in words is "three billion, fifty-six million, three hundred ninety thousand, six hundred eighty-five".