3947712903 has 32 divisors (see below), whose sum is σ = 5924666880. Its totient is φ = 2597736960.

The previous prime is 3947712883. The next prime is 3947712913. The reversal of 3947712903 is 3092177493.

It is not a de Polignac number, because 3947712903 - 2¹⁷ = 3947581831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947712913) 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, 679750 + ... + 685532.

It is an arithmetic number, because the mean of its divisors is an integer number (185145840).

Almost surely, 2^3947712903 is an apocalyptic number.

3947712903 is a deficient number, since it is larger than the sum of its proper divisors (1976953977).

3947712903 is a wasteful number, since it uses less digits than its factorization.

3947712903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 3947712903 is about 62830.8276485357. The cubic root of 3947712903 is about 1580.4539771958.

The spelling of 3947712903 in words is "three billion, nine hundred forty-seven million, seven hundred twelve thousand, nine hundred three".