3866250 has 40 divisors (see below), whose sum is σ = 9671904. Its totient is φ = 1030000.

The previous prime is 3866243. The next prime is 3866263. The reversal of 3866250 is 526683.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3235 + ... + 4265.

Almost surely, 2^3866250 is an apocalyptic number.

3866250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3866250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835952).

3866250 is an abundant number, since it is smaller than the sum of its proper divisors (5805654).

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

3866250 is a wasteful number, since it uses less digits than its factorization.

3866250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3866250 is about 1966.2782102236. The cubic root of 3866250 is about 156.9507195189.

The spelling of 3866250 in words is "three million, eight hundred sixty-six thousand, two hundred fifty".