3988737171 has 36 divisors (see below), whose sum is σ = 6009397680. Its totient is φ = 2549167200.

The previous prime is 3988737157. The next prime is 3988737253. The reversal of 3988737171 is 1717378893.

It is a happy number.

3988737171 is a `hidden beast` number, since 398 + 87 + 3 + 7 + 171 = 666.

It is not a de Polignac number, because 3988737171 - 2¹⁷ = 3988606099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3988737101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 940626 + ... + 944856.

Almost surely, 2^3988737171 is an apocalyptic number.

3988737171 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3988737171 is a deficient number, since it is larger than the sum of its proper divisors (2020660509).

3988737171 is a wasteful number, since it uses less digits than its factorization.

3988737171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408 (or 4374 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The square root of 3988737171 is about 63156.4499556459. The cubic root of 3988737171 is about 1585.9097658659.

The spelling of 3988737171 in words is "three billion, nine hundred eighty-eight million, seven hundred thirty-seven thousand, one hundred seventy-one".