3891875 has 20 divisors (see below), whose sum is σ = 5248320. Its totient is φ = 2868000.

The previous prime is 3891871. The next prime is 3891883. The reversal of 3891875 is 5781983.

It is a happy number.

It is not a de Polignac number, because 3891875 - 2² = 3891871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3891871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7886 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (262416).

Almost surely, 2^3891875 is an apocalyptic number.

3891875 is a deficient number, since it is larger than the sum of its proper divisors (1356445).

3891875 is an equidigital number, since it uses as much as digits as its factorization.

3891875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 497 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 3891875 is about 1972.7835664360. The cubic root of 3891875 is about 157.2967058797.

The spelling of 3891875 in words is "three million, eight hundred ninety-one thousand, eight hundred seventy-five".