4058391 has 16 divisors (see below), whose sum is σ = 5598848. Its totient is φ = 2613600.

The previous prime is 4058389. The next prime is 4058399. The reversal of 4058391 is 1938504.

It is not a de Polignac number, because 4058391 - 2¹ = 4058389 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4058399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12096 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (349928).

Almost surely, 2^4058391 is an apocalyptic number.

4058391 is a deficient number, since it is larger than the sum of its proper divisors (1540457).

4058391 is a wasteful number, since it uses less digits than its factorization.

4058391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 4058391 is about 2014.5448617492. The cubic root of 4058391 is about 159.5087929954.

The spelling of 4058391 in words is "four million, fifty-eight thousand, three hundred ninety-one".