3946555956 has 24 divisors (see below), whose sum is σ = 10524149440. Its totient is φ = 1127587392.

The previous prime is 3946555919. The next prime is 3946556011. The reversal of 3946555956 is 6595556493.

It is a junction number, because it is equal to n+sod(n) for n = 3946555896 and 3946555905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23491321 + ... + 23491488.

Almost surely, 2^3946555956 is an apocalyptic number.

It is an amenable number.

3946555956 is an abundant number, since it is smaller than the sum of its proper divisors (6577593484).

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

3946555956 is a wasteful number, since it uses less digits than its factorization.

3946555956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46982823 (or 46982821 counting only the distinct ones).

The product of its digits is 21870000, while the sum is 57.

The square root of 3946555956 is about 62821.6201319259. The cubic root of 3946555956 is about 1580.2995687922.

The spelling of 3946555956 in words is "three billion, nine hundred forty-six million, five hundred fifty-five thousand, nine hundred fifty-six".