3946186956 has 12 divisors (see below), whose sum is σ = 9207769592. Its totient is φ = 1315395648.

The previous prime is 3946186949. The next prime is 3946186961. The reversal of 3946186956 is 6596816493.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3946186896 and 3946186905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164424445 + ... + 164424468.

Almost surely, 2^3946186956 is an apocalyptic number.

It is an amenable number.

3946186956 is an abundant number, since it is smaller than the sum of its proper divisors (5261582636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3946186956 is a wasteful number, since it uses less digits than its factorization.

3946186956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328848920 (or 328848918 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The square root of 3946186956 is about 62818.6831762653. The cubic root of 3946186956 is about 1580.2503149852.

The spelling of 3946186956 in words is "three billion, nine hundred forty-six million, one hundred eighty-six thousand, nine hundred fifty-six".