4891018 has 16 divisors (see below), whose sum is σ = 8425440. Its totient is φ = 2106000.

The previous prime is 4891001. The next prime is 4891027. The reversal of 4891018 is 8101984.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5433 + ... + 6268.

It is an arithmetic number, because the mean of its divisors is an integer number (526590).

Almost surely, 2^4891018 is an apocalyptic number.

4891018 is a deficient number, since it is larger than the sum of its proper divisors (3534422).

4891018 is a wasteful number, since it uses less digits than its factorization.

4891018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 4891018 is about 2211.5646045278. The cubic root of 4891018 is about 169.7460799761.

The spelling of 4891018 in words is "four million, eight hundred ninety-one thousand, eighteen".