4609091 has 8 divisors (see below), whose sum is σ = 4918320. Its totient is φ = 4304128.

The previous prime is 4609081. The next prime is 4609093. The reversal of 4609091 is 1909064.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4609091 - 2⁶ = 4609027 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 (4609093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (614790).

Almost surely, 2^4609091 is an apocalyptic number.

4609091 is a deficient number, since it is larger than the sum of its proper divisors (309229).

4609091 is a wasteful number, since it uses less digits than its factorization.

4609091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 4609091 is about 2146.8793631688. The cubic root of 4609091 is about 166.4198377445.

The spelling of 4609091 in words is "four million, six hundred nine thousand, ninety-one".