3986250 has 40 divisors (see below), whose sum is σ = 9971808. Its totient is φ = 1062000.

The previous prime is 3986243. The next prime is 3986263. The reversal of 3986250 is 526893.

It is a happy number.

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, 3219 + ... + 4281.

Almost surely, 2^3986250 is an apocalyptic number.

3986250 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 3986250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4985904).

3986250 is an abundant number, since it is smaller than the sum of its proper divisors (5985558).

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

3986250 is a wasteful number, since it uses less digits than its factorization.

3986250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3986250 is about 1996.5595408101. The cubic root of 3986250 is about 158.5580066787.

The spelling of 3986250 in words is "three million, nine hundred eighty-six thousand, two hundred fifty".