4891065 has 16 divisors (see below), whose sum is σ = 8166528. Its totient is φ = 2494976.

The previous prime is 4891063. The next prime is 4891079. The reversal of 4891065 is 5601984.

It is a cyclic number.

It is not a de Polignac number, because 4891065 - 2¹ = 4891063 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4891063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (510408).

Almost surely, 2^4891065 is an apocalyptic number.

It is an amenable number.

4891065 is a deficient number, since it is larger than the sum of its proper divisors (3275463).

4891065 is a wasteful number, since it uses less digits than its factorization.

4891065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14208.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4891065 is about 2211.5752304636. The cubic root of 4891065 is about 169.7466236966.

The spelling of 4891065 in words is "four million, eight hundred ninety-one thousand, sixty-five".