4180086 has 56 divisors (see below), whose sum is σ = 9758304. Its totient is φ = 1341360.

The previous prime is 4180081. The next prime is 4180093. The reversal of 4180086 is 6800814.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180081) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 68496 + ... + 68556.

Almost surely, 2^4180086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4180086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4879152).

4180086 is an abundant number, since it is smaller than the sum of its proper divisors (5578218).

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

4180086 is an equidigital number, since it uses as much as digits as its factorization.

4180086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 4180086 is about 2044.5258619054. The cubic root of 4180086 is about 161.0874619623.

The spelling of 4180086 in words is "four million, one hundred eighty thousand, eighty-six".