3988317012 has 24 divisors (see below), whose sum is σ = 9307466112. Its totient is φ = 1329240000.

The previous prime is 3988317007. The next prime is 3988317013. The reversal of 3988317012 is 2107138893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988317013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74512 + ... + 116312.

It is an arithmetic number, because the mean of its divisors is an integer number (387811088).

Almost surely, 2^3988317012 is an apocalyptic number.

It is an amenable number.

3988317012 is an abundant number, since it is smaller than the sum of its proper divisors (5319149100).

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

3988317012 is a wasteful number, since it uses less digits than its factorization.

3988317012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49759 (or 49757 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 3988317012 is about 63153.1235332030. The cubic root of 3988317012 is about 1585.8540792638.

The spelling of 3988317012 in words is "three billion, nine hundred eighty-eight million, three hundred seventeen thousand, twelve".