3871602189 has 48 divisors (see below), whose sum is σ = 7068926592. Its totient is φ = 1986954624.

The previous prime is 3871602173. The next prime is 3871602197. The reversal of 3871602189 is 9812061783.

3871602189 is a `hidden beast` number, since 38 + 7 + 1 + 602 + 1 + 8 + 9 = 666.

It is not a de Polignac number, because 3871602189 - 2⁴ = 3871602173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871602139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33579 + ... + 94184.

It is an arithmetic number, because the mean of its divisors is an integer number (147269304).

Almost surely, 2^3871602189 is an apocalyptic number.

3871602189 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3871602189 is a deficient number, since it is larger than the sum of its proper divisors (3197324403).

3871602189 is a wasteful number, since it uses less digits than its factorization.

3871602189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127826 (or 127823 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 3871602189 is about 62222.2001298572. The cubic root of 3871602189 is about 1570.2311030107.

The spelling of 3871602189 in words is "three billion, eight hundred seventy-one million, six hundred two thousand, one hundred eighty-nine".