3877967 has 4 divisors (see below), whose sum is σ = 4011720. Its totient is φ = 3744216.

The previous prime is 3877943. The next prime is 3877987. The reversal of 3877967 is 7697783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7697783 = 977 ⋅7879.

It is a cyclic number.

It is not a de Polignac number, because 3877967 - 2¹² = 3873871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3877927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66833 + ... + 66890.

It is an arithmetic number, because the mean of its divisors is an integer number (1002930).

Almost surely, 2^3877967 is an apocalyptic number.

3877967 is a deficient number, since it is larger than the sum of its proper divisors (133753).

3877967 is a wasteful number, since it uses less digits than its factorization.

3877967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133752.

The product of its digits is 444528, while the sum is 47.

The square root of 3877967 is about 1969.2554430546. The cubic root of 3877967 is about 157.1091104629.

The spelling of 3877967 in words is "three million, eight hundred seventy-seven thousand, nine hundred sixty-seven".