3946086651 has 16 divisors (see below), whose sum is σ = 5797949696. Its totient is φ = 2371886496.

The previous prime is 3946086643. The next prime is 3946086659. The reversal of 3946086651 is 1566806493.

It is an interprime number because it is at equal distance from previous prime (3946086643) and next prime (3946086659).

It is not a de Polignac number, because 3946086651 - 2³ = 3946086643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3946086651.

It is not an unprimeable number, because it can be changed into a prime (3946086659) 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 15 ways as a sum of consecutive naturals, for example, 1174855 + ... + 1178208.

It is an arithmetic number, because the mean of its divisors is an integer number (362371856).

Almost surely, 2^3946086651 is an apocalyptic number.

3946086651 is a deficient number, since it is larger than the sum of its proper divisors (1851863045).

3946086651 is a wasteful number, since it uses less digits than its factorization.

3946086651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353122.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 3946086651 is about 62817.8848020212. The cubic root of 3946086651 is about 1580.2369258282.

The spelling of 3946086651 in words is "three billion, nine hundred forty-six million, eighty-six thousand, six hundred fifty-one".