4591668 has 24 divisors (see below), whose sum is σ = 10765440. Its totient is φ = 1523200.

The previous prime is 4591667. The next prime is 4591687. The reversal of 4591668 is 8661954.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (448560).

Almost surely, 2^4591668 is an apocalyptic number.

It is an amenable number.

4591668 is an abundant number, since it is smaller than the sum of its proper divisors (6173772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4591668 is a wasteful number, since it uses less digits than its factorization.

4591668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1845 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 4591668 is about 2142.8177710669. The cubic root of 4591668 is about 166.2098763103.

The spelling of 4591668 in words is "four million, five hundred ninety-one thousand, six hundred sixty-eight".