4028858 has 8 divisors (see below), whose sum is σ = 6099060. Its totient is φ = 1995840.

The previous prime is 4028851. The next prime is 4028863. The reversal of 4028858 is 8588204.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 543169 = 1867^2 + 737^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4028851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9023 + ... + 9458.

Almost surely, 2^4028858 is an apocalyptic number.

4028858 is a deficient number, since it is larger than the sum of its proper divisors (2070202).

4028858 is a wasteful number, since it uses less digits than its factorization.

4028858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18592.

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 4028858 is about 2007.2015344753. The cubic root of 4028858 is about 159.1209343256.

The spelling of 4028858 in words is "four million, twenty-eight thousand, eight hundred fifty-eight".