3906855432 has 48 divisors (see below), whose sum is σ = 10640214000. Its totient is φ = 1295005536.

The previous prime is 3906855317. The next prime is 3906855439. The reversal of 3906855432 is 2345586093.

3906855432 is a `hidden beast` number, since 3 + 9 + 0 + 68 + 554 + 32 = 666.

It is not an unprimeable number, because it can be changed into a prime (3906855439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138682 + ... + 164457.

It is an arithmetic number, because the mean of its divisors is an integer number (221671125).

Almost surely, 2^3906855432 is an apocalyptic number.

It is an amenable number.

3906855432 is an abundant number, since it is smaller than the sum of its proper divisors (6733358568).

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

3906855432 is a wasteful number, since it uses less digits than its factorization.

3906855432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303330 (or 303323 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 3906855432 is about 62504.8432683420. The cubic root of 3906855432 is about 1574.9826731276.

The spelling of 3906855432 in words is "three billion, nine hundred six million, eight hundred fifty-five thousand, four hundred thirty-two".