4186220 has 12 divisors (see below), whose sum is σ = 8791104. Its totient is φ = 1674480.

The previous prime is 4186219. The next prime is 4186241. The reversal of 4186220 is 226814.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 104636 + ... + 104675.

It is an arithmetic number, because the mean of its divisors is an integer number (732592).

Almost surely, 2^4186220 is an apocalyptic number.

It is an amenable number.

4186220 is an abundant number, since it is smaller than the sum of its proper divisors (4604884).

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

4186220 is a wasteful number, since it uses less digits than its factorization.

4186220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209320 (or 209318 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4186220 is about 2046.0254152869. The cubic root of 4186220 is about 161.1662185203.

The spelling of 4186220 in words is "four million, one hundred eighty-six thousand, two hundred twenty".