4128084 has 72 divisors (see below), whose sum is σ = 11251968. Its totient is φ = 1321920.

The previous prime is 4128079. The next prime is 4128097. The reversal of 4128084 is 4808214.

It is a super-2 number, since 2×4128084² = 34082155022112, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30064 + ... + 30200.

Almost surely, 2^4128084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4128084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5625984).

4128084 is an abundant number, since it is smaller than the sum of its proper divisors (7123884).

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

4128084 is a wasteful number, since it uses less digits than its factorization.

4128084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 4128084 is about 2031.7686876217. The cubic root of 4128084 is about 160.4166743652.

The spelling of 4128084 in words is "four million, one hundred twenty-eight thousand, eighty-four".