3878275 has 12 divisors (see below), whose sum is σ = 4901472. Its totient is φ = 3043040.

The previous prime is 3878269. The next prime is 3878279. The reversal of 3878275 is 5728783.

It is not a de Polignac number, because 3878275 - 2³ = 3878267 is a prime.

It is a super-3 number, since 3×3878275³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3878279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (408456).

Almost surely, 2^3878275 is an apocalyptic number.

3878275 is a deficient number, since it is larger than the sum of its proper divisors (1023197).

3878275 is a wasteful number, since it uses less digits than its factorization.

3878275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2985 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 3878275 is about 1969.3336436470. Note that the first 3 decimals coincide. The cubic root of 3878275 is about 157.1132697148.

The spelling of 3878275 in words is "three million, eight hundred seventy-eight thousand, two hundred seventy-five".