4058909 has 4 divisors (see below), whose sum is σ = 4086300. Its totient is φ = 4031520.

The previous prime is 4058897. The next prime is 4058917. The reversal of 4058909 is 9098504.

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 2630884 + 1428025 = 1622^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 4058909 - 2⁴ = 4058893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4058969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13472 + ... + 13769.

It is an arithmetic number, because the mean of its divisors is an integer number (1021575).

Almost surely, 2^4058909 is an apocalyptic number.

It is an amenable number.

4058909 is a deficient number, since it is larger than the sum of its proper divisors (27391).

4058909 is a wasteful number, since it uses less digits than its factorization.

4058909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 4058909 is about 2014.6734226668. The cubic root of 4058909 is about 159.5155791035.

The spelling of 4058909 in words is "four million, fifty-eight thousand, nine hundred nine".