3948994085 has 16 divisors (see below), whose sum is σ = 5014483200. Its totient is φ = 2979271680.

The previous prime is 3948994079. The next prime is 3948994121. The reversal of 3948994085 is 5804998493.

It is not a de Polignac number, because 3948994085 - 2²⁶ = 3881885221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233660 + ... + 249989.

It is an arithmetic number, because the mean of its divisors is an integer number (313405200).

Almost surely, 2^3948994085 is an apocalyptic number.

It is an amenable number.

3948994085 is a deficient number, since it is larger than the sum of its proper divisors (1065489115).

3948994085 is a wasteful number, since it uses less digits than its factorization.

3948994085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483748.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The square root of 3948994085 is about 62841.0223102712. The cubic root of 3948994085 is about 1580.6249310476.

The spelling of 3948994085 in words is "three billion, nine hundred forty-eight million, nine hundred ninety-four thousand, eighty-five".