4028055 has 8 divisors (see below), whose sum is σ = 6444912. Its totient is φ = 2148288.

The previous prime is 4028009. The next prime is 4028069. The reversal of 4028055 is 5508204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4028055 - 2⁷ = 4027927 is a prime.

4028055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134254 + ... + 134283.

It is an arithmetic number, because the mean of its divisors is an integer number (805614).

Almost surely, 2^4028055 is an apocalyptic number.

4028055 is a deficient number, since it is larger than the sum of its proper divisors (2416857).

4028055 is a wasteful number, since it uses less digits than its factorization.

4028055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268545.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4028055 is about 2007.0014947678. The cubic root of 4028055 is about 159.1103620492.

The spelling of 4028055 in words is "four million, twenty-eight thousand, fifty-five".