4005858 has 8 divisors (see below), whose sum is σ = 8011728. Its totient is φ = 1335284.

The previous prime is 4005847. The next prime is 4005889. The reversal of 4005858 is 8585004.

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

4005858 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333816 + ... + 333827.

It is an arithmetic number, because the mean of its divisors is an integer number (1001466).

Almost surely, 2^4005858 is an apocalyptic number.

4005858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4005858 is a wasteful number, since it uses less digits than its factorization.

4005858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667648.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 4005858 is about 2001.4639642022. The cubic root of 4005858 is about 158.8175590268.

The spelling of 4005858 in words is "four million, five thousand, eight hundred fifty-eight".