9795891 has 16 divisors (see below), whose sum is σ = 15048704. Its totient is φ = 5552064.

The previous prime is 9795883. The next prime is 9795899. The reversal of 9795891 is 1985979.

It is an interprime number because it is at equal distance from previous prime (9795883) and next prime (9795899).

It is not a de Polignac number, because 9795891 - 2³ = 9795883 is a prime.

It is an Ulam number.

It is a Duffinian number.

9795891 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9795891.

It is not an unprimeable number, because it can be changed into a prime (9795899) 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 15 ways as a sum of consecutive naturals, for example, 831 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (940544).

Almost surely, 2^9795891 is an apocalyptic number.

9795891 is a deficient number, since it is larger than the sum of its proper divisors (5252813).

9795891 is a wasteful number, since it uses less digits than its factorization.

9795891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its digits is 204120, while the sum is 48.

The square root of 9795891 is about 3129.8388137411. The cubic root of 9795891 is about 213.9675832343.

The spelling of 9795891 in words is "nine million, seven hundred ninety-five thousand, eight hundred ninety-one".