4891318 has 16 divisors (see below), whose sum is σ = 7731936. Its totient is φ = 2316160.

The previous prime is 4891307. The next prime is 4891331. The reversal of 4891318 is 8131984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4728 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (483246).

Almost surely, 2^4891318 is an apocalyptic number.

4891318 is a deficient number, since it is larger than the sum of its proper divisors (2840618).

4891318 is a wasteful number, since it uses less digits than its factorization.

4891318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its digits is 6912, while the sum is 34.

The square root of 4891318 is about 2211.6324287729. The cubic root of 4891318 is about 169.7495504726.

The spelling of 4891318 in words is "four million, eight hundred ninety-one thousand, three hundred eighteen".