3646070685 has 16 divisors (see below), whose sum is σ = 6481903680. Its totient is φ = 1944570960.

The previous prime is 3646070651. The next prime is 3646070693. The reversal of 3646070685 is 5860706463.

3646070685 is a `hidden beast` number, since 36 + 4 + 607 + 0 + 6 + 8 + 5 = 666.

It is not a de Polignac number, because 3646070685 - 2⁶ = 3646070621 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3646070685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13503831 + ... + 13504100.

It is an arithmetic number, because the mean of its divisors is an integer number (405118980).

Almost surely, 2^3646070685 is an apocalyptic number.

It is an amenable number.

3646070685 is a deficient number, since it is larger than the sum of its proper divisors (2835832995).

3646070685 is a wasteful number, since it uses less digits than its factorization.

3646070685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27007945 (or 27007939 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 3646070685 is about 60382.7018689956. The cubic root of 3646070685 is about 1539.1290241375.

The spelling of 3646070685 in words is "three billion, six hundred forty-six million, seventy thousand, six hundred eighty-five".