3906454871 has 24 divisors (see below), whose sum is σ = 4591711152. Its totient is φ = 3309152000.

The previous prime is 3906454859. The next prime is 3906454879. The reversal of 3906454871 is 1784546093.

It is a de Polignac number, because none of the positive numbers 2^k-3906454871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906454879) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 198356 + ... + 217158.

It is an arithmetic number, because the mean of its divisors is an integer number (191321298).

Almost surely, 2^3906454871 is an apocalyptic number.

3906454871 is a deficient number, since it is larger than the sum of its proper divisors (685256281).

3906454871 is a wasteful number, since it uses less digits than its factorization.

3906454871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943 (or 18932 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 3906454871 is about 62501.6389465108. The cubic root of 3906454871 is about 1574.9288448244.

The spelling of 3906454871 in words is "three billion, nine hundred six million, four hundred fifty-four thousand, eight hundred seventy-one".