3876889 has 4 divisors (see below), whose sum is σ = 3959424. Its totient is φ = 3794356.

The previous prime is 3876881. The next prime is 3876907. The reversal of 3876889 is 9886783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9886783 = 19 ⋅520357.

It is a cyclic number.

It is not a de Polignac number, because 3876889 - 2³ = 3876881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3876881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41197 + ... + 41290.

It is an arithmetic number, because the mean of its divisors is an integer number (989856).

Almost surely, 2^3876889 is an apocalyptic number.

It is an amenable number.

3876889 is a deficient number, since it is larger than the sum of its proper divisors (82535).

3876889 is an equidigital number, since it uses as much as digits as its factorization.

3876889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82534.

The product of its digits is 580608, while the sum is 49.

The square root of 3876889 is about 1968.9817165225. The cubic root of 3876889 is about 157.0945513467.

The spelling of 3876889 in words is "three million, eight hundred seventy-six thousand, eight hundred eighty-nine".