3855250 has 32 divisors (see below), whose sum is σ = 8251776. Its totient is φ = 1321200.

The previous prime is 3855239. The next prime is 3855287. The reversal of 3855250 is 525583.

3855250 = T₂₆₀ + T₂₆₁ + ... + T₃₄₃.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (257868).

Almost surely, 2^3855250 is an apocalyptic number.

3855250 is an abundant number, since it is smaller than the sum of its proper divisors (4396526).

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

3855250 is a wasteful number, since it uses less digits than its factorization.

3855250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3855250 is about 1963.4790551468. The cubic root of 3855250 is about 156.8017295120.

The spelling of 3855250 in words is "three million, eight hundred fifty-five thousand, two hundred fifty".