4058405 has 16 divisors (see below), whose sum is σ = 5428080. Its totient is φ = 2892288.

The previous prime is 4058401. The next prime is 4058423. The reversal of 4058405 is 5048504.

It can be written as a sum of positive squares in 8 ways, for example, as 964324 + 3094081 = 982^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 4058405 - 2² = 4058401 is a prime.

It is a super-2 number, since 2×4058405² = 32941302288050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4058401) 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, 809 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (339255).

Almost surely, 2^4058405 is an apocalyptic number.

It is an amenable number.

4058405 is a deficient number, since it is larger than the sum of its proper divisors (1369675).

4058405 is a wasteful number, since it uses less digits than its factorization.

4058405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4058405 is about 2014.5483364764. The cubic root of 4058405 is about 159.5089764113.

Subtracting 4058405 from its reverse (5048504), we obtain a palindrome (990099).

It can be divided in two parts, 405 and 8405, that multiplied together give a square (3404025 = 1845²).

The spelling of 4058405 in words is "four million, fifty-eight thousand, four hundred five".