4058645 has 4 divisors (see below), whose sum is σ = 4870380. Its totient is φ = 3246912.

The previous prime is 4058633. The next prime is 4058683. The reversal of 4058645 is 5468504.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2184484 + 1874161 = 1478^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 4058645 - 2⁴ = 4058629 is a prime.

It is a congruent 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, 405860 + ... + 405869.

It is an arithmetic number, because the mean of its divisors is an integer number (1217595).

Almost surely, 2^4058645 is an apocalyptic number.

It is an amenable number.

4058645 is a deficient number, since it is larger than the sum of its proper divisors (811735).

4058645 is an equidigital number, since it uses as much as digits as its factorization.

4058645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811734.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4058645 is about 2014.6079022976. The cubic root of 4058645 is about 159.5121206186.

It can be divided in two parts, 40 and 58645, that added together give a palindrome (58685).

The spelling of 4058645 in words is "four million, fifty-eight thousand, six hundred forty-five".