4058865 has 12 divisors (see below), whose sum is σ = 7035444. Its totient is φ = 2164704.

The previous prime is 4058851. The next prime is 4058867. The reversal of 4058865 is 5688504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 2187441 = 1368^2 + 1479^2 .

It is not a de Polignac number, because 4058865 - 2⁴ = 4058849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4058867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45054 + ... + 45143.

It is an arithmetic number, because the mean of its divisors is an integer number (586287).

Almost surely, 2^4058865 is an apocalyptic number.

4058865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4058865 is a deficient number, since it is larger than the sum of its proper divisors (2976579).

4058865 is a wasteful number, since it uses less digits than its factorization.

4058865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90208 (or 90205 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 4058865 is about 2014.6625027533. The cubic root of 4058865 is about 159.5150026997.

The spelling of 4058865 in words is "four million, fifty-eight thousand, eight hundred sixty-five".