3897875 has 8 divisors (see below), whose sum is σ = 4864704. Its totient is φ = 3118200.

The previous prime is 3897871. The next prime is 3897877. The reversal of 3897875 is 5787983.

It is not a de Polignac number, because 3897875 - 2² = 3897871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3897871) 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 7 ways as a sum of consecutive naturals, for example, 15467 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (608088).

Almost surely, 2^3897875 is an apocalyptic number.

3897875 is a deficient number, since it is larger than the sum of its proper divisors (966829).

3897875 is an equidigital number, since it uses as much as digits as its factorization.

3897875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31198 (or 31188 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 3897875 is about 1974.3036747167. The cubic root of 3897875 is about 157.3774977559.

The spelling of 3897875 in words is "three million, eight hundred ninety-seven thousand, eight hundred seventy-five".