4000058 has 4 divisors (see below), whose sum is σ = 6000090. Its totient is φ = 2000028.

The previous prime is 4000043. The next prime is 4000063. The reversal of 4000058 is 8500004.

4000058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 146689 = 1963^2 + 383^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000013 + ... + 1000016.

Almost surely, 2^4000058 is an apocalyptic number.

4000058 is a deficient number, since it is larger than the sum of its proper divisors (2000032).

4000058 is a wasteful number, since it uses less digits than its factorization.

4000058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000031.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4000058 is about 2000.0144999474. The cubic root of 4000058 is about 158.7408724370.

The spelling of 4000058 in words is "four million, fifty-eight", and thus it is an aban number.