8191360 has 32 divisors (see below), whose sum is σ = 19584000. Its totient is φ = 3276288.

The previous prime is 8191357. The next prime is 8191363. The reversal of 8191360 is 631918.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8191357) and next prime (8191363).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8191363) 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 3 ways as a sum of consecutive naturals, for example, 5760 + ... + 7039.

It is an arithmetic number, because the mean of its divisors is an integer number (612000).

Almost surely, 2^8191360 is an apocalyptic number.

8191360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8191360 is an abundant number, since it is smaller than the sum of its proper divisors (11392640).

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

8191360 is a wasteful number, since it uses less digits than its factorization.

8191360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818 (or 12806 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8191360 is about 2862.0552056171. The cubic root of 8191360 is about 201.5821181754.

The spelling of 8191360 in words is "eight million, one hundred ninety-one thousand, three hundred sixty".