4028180 has 24 divisors (see below), whose sum is σ = 9110472. Its totient is φ = 1487232.

The previous prime is 4028179. The next prime is 4028191. The reversal of 4028180 is 818204.

It can be written as a sum of positive squares in 4 ways, for example, as 99856 + 3928324 = 316^2 + 1982^2 .

It is a super-2 number, since 2×4028180² = 32452468224800, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7487 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (379603).

Almost surely, 2^4028180 is an apocalyptic number.

It is an amenable number.

4028180 is an abundant number, since it is smaller than the sum of its proper divisors (5082292).

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

4028180 is a wasteful number, since it uses less digits than its factorization.

4028180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15515 (or 15513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 4028180 is about 2007.0326355094. The cubic root of 4028180 is about 159.1120078882.

The spelling of 4028180 in words is "four million, twenty-eight thousand, one hundred eighty".