4608891 has 24 divisors (see below), whose sum is σ = 7768800. Its totient is φ = 2631888.

The previous prime is 4608889. The next prime is 4608899. The reversal of 4608891 is 1988064.

It is a happy number.

It is not a de Polignac number, because 4608891 - 2¹ = 4608889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4608899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2341 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (323700).

Almost surely, 2^4608891 is an apocalyptic number.

4608891 is a deficient number, since it is larger than the sum of its proper divisors (3159909).

4608891 is a wasteful number, since it uses less digits than its factorization.

4608891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4608891 is about 2146.8327834277. The cubic root of 4608891 is about 166.4174305852.

The spelling of 4608891 in words is "four million, six hundred eight thousand, eight hundred ninety-one".