3871189 has 8 divisors (see below), whose sum is σ = 4684608. Its totient is φ = 3122880.

The previous prime is 3871177. The next prime is 3871201. The reversal of 3871189 is 9811783.

It is an interprime number because it is at equal distance from previous prime (3871177) and next prime (3871201).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3871189 - 2¹³ = 3862997 is a prime.

It is a super-2 number, since 2×3871189² = 29972208547442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871129) 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, 16147 + ... + 16384.

It is an arithmetic number, because the mean of its divisors is an integer number (585576).

Almost surely, 2^3871189 is an apocalyptic number.

It is an amenable number.

3871189 is a deficient number, since it is larger than the sum of its proper divisors (813419).

3871189 is a wasteful number, since it uses less digits than its factorization.

3871189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32555.

The product of its digits is 12096, while the sum is 37.

The square root of 3871189 is about 1967.5337354160. The cubic root of 3871189 is about 157.0175241099.

The spelling of 3871189 in words is "three million, eight hundred seventy-one thousand, one hundred eighty-nine".