3870875 has 16 divisors (see below), whose sum is σ = 4885920. Its totient is φ = 3061600.

The previous prime is 3870869. The next prime is 3870899. The reversal of 3870875 is 5780783.

3870875 = 55² + 56² + ... + 227².

3870875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3870875 - 2⁸ = 3870619 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21536 + ... + 21714.

It is an arithmetic number, because the mean of its divisors is an integer number (305370).

Almost surely, 2^3870875 is an apocalyptic number.

3870875 is a deficient number, since it is larger than the sum of its proper divisors (1015045).

3870875 is a wasteful number, since it uses less digits than its factorization.

3870875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 3870875 is about 1967.4539384697. The cubic root of 3870875 is about 157.0132786584.

It can be divided in two parts, 38708 and 75, that added together give a palindrome (38783).

The spelling of 3870875 in words is "three million, eight hundred seventy thousand, eight hundred seventy-five".