3878250 has 32 divisors (see below), whose sum is σ = 9681984. Its totient is φ = 1034000.

The previous prime is 3878221. The next prime is 3878263. The reversal of 3878250 is 528783.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 3335.

It is an arithmetic number, because the mean of its divisors is an integer number (302562).

Almost surely, 2^3878250 is an apocalyptic number.

3878250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3878250 is an abundant number, since it is smaller than the sum of its proper divisors (5803734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3878250 is a wasteful number, since it uses less digits than its factorization.

3878250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3878250 is about 1969.3272963121. The cubic root of 3878250 is about 157.1129321214.

The spelling of 3878250 in words is "three million, eight hundred seventy-eight thousand, two hundred fifty".