4031893856 has 24 divisors (see below), whose sum is σ = 8072333640. Its totient is φ = 1981777408.

The previous prime is 4031893847. The next prime is 4031893861. The reversal of 4031893856 is 6583981304.

It is a self number, because there is not a number n which added to its sum of digits gives 4031893856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065881 + ... + 1069656.

It is an arithmetic number, because the mean of its divisors is an integer number (336347235).

Almost surely, 2^4031893856 is an apocalyptic number.

It is an amenable number.

4031893856 is an abundant number, since it is smaller than the sum of its proper divisors (4040439784).

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

4031893856 is a wasteful number, since it uses less digits than its factorization.

4031893856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135606 (or 2135598 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 4031893856 is about 63497.1956546114. The cubic root of 4031893856 is about 1591.6089163347.

The spelling of 4031893856 in words is "four billion, thirty-one million, eight hundred ninety-three thousand, eight hundred fifty-six".