3877869 has 16 divisors (see below), whose sum is σ = 5524992. Its totient is φ = 2413488.

The previous prime is 3877849. The next prime is 3877871. The reversal of 3877869 is 9687783.

It is not a de Polignac number, because 3877869 - 2⁵ = 3877837 is a prime.

It is a super-2 number, since 2×3877869² = 30075735962322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3877849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314 + ... + 3620.

It is an arithmetic number, because the mean of its divisors is an integer number (345312).

Almost surely, 2^3877869 is an apocalyptic number.

It is an amenable number.

3877869 is a deficient number, since it is larger than the sum of its proper divisors (1647123).

3877869 is a wasteful number, since it uses less digits than its factorization.

3877869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its digits is 508032, while the sum is 48.

The square root of 3877869 is about 1969.2305603966. The cubic root of 3877869 is about 157.1077870184.

It can be divided in two parts, 387 and 7869, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 3877869 in words is "three million, eight hundred seventy-seven thousand, eight hundred sixty-nine".