4158091 has 6 divisors (see below), whose sum is σ = 4837020. Its totient is φ = 3564036.

The previous prime is 4158083. The next prime is 4158103. The reversal of 4158091 is 1908514.

It is a happy number.

It is not a de Polignac number, because 4158091 - 2³ = 4158083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4158001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42381 + ... + 42478.

It is an arithmetic number, because the mean of its divisors is an integer number (806170).

Almost surely, 2^4158091 is an apocalyptic number.

4158091 is a deficient number, since it is larger than the sum of its proper divisors (678929).

4158091 is an equidigital number, since it uses as much as digits as its factorization.

4158091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84873 (or 84866 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 4158091 is about 2039.1397696087. The cubic root of 4158091 is about 160.8044254081.

The spelling of 4158091 in words is "four million, one hundred fifty-eight thousand, ninety-one".