4158909 has 12 divisors (see below), whose sum is σ = 6052956. Its totient is φ = 2751552.

The previous prime is 4158907. The next prime is 4158941. The reversal of 4158909 is 9098514.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 632025 = 1878^2 + 795^2 .

It is not a de Polignac number, because 4158909 - 2¹ = 4158907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (504413).

Almost surely, 2^4158909 is an apocalyptic number.

It is an amenable number.

4158909 is a deficient number, since it is larger than the sum of its proper divisors (1894047).

4158909 is a wasteful number, since it uses less digits than its factorization.

4158909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4158909 is about 2039.3403345200. The cubic root of 4158909 is about 160.8149694611.

The spelling of 4158909 in words is "four million, one hundred fifty-eight thousand, nine hundred nine".