3930217071 has 32 divisors (see below), whose sum is σ = 6007803648. Its totient is φ = 2263645440.

The previous prime is 3930217061. The next prime is 3930217087. The reversal of 3930217071 is 1707120393.

It is a happy number.

It is not a de Polignac number, because 3930217071 - 2¹⁵ = 3930184303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930217001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15075 + ... + 89931.

It is an arithmetic number, because the mean of its divisors is an integer number (187743864).

Almost surely, 2^3930217071 is an apocalyptic number.

3930217071 is a deficient number, since it is larger than the sum of its proper divisors (2077586577).

3930217071 is a wasteful number, since it uses less digits than its factorization.

3930217071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74951.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 3930217071 is about 62691.4433635085. The cubic root of 3930217071 is about 1578.1157197381.

The spelling of 3930217071 in words is "three billion, nine hundred thirty million, two hundred seventeen thousand, seventy-one".