8191488 has 40 divisors (see below), whose sum is σ = 21826728. Its totient is φ = 2729984.

The previous prime is 8191441. The next prime is 8191493. The reversal of 8191488 is 8841918.

It is a happy number.

It is a plaindrome in base 14.

It is a zygodrome in base 2 and base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 4202.

Almost surely, 2^8191488 is an apocalyptic number.

It is an amenable number.

8191488 is an abundant number, since it is smaller than the sum of its proper divisors (13635240).

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

8191488 is an equidigital number, since it uses as much as digits as its factorization.

8191488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354 (or 5338 counting only the distinct ones).

The product of its digits is 18432, while the sum is 39.

The square root of 8191488 is about 2862.0775670830. The cubic root of 8191488 is about 201.5831681588.

The spelling of 8191488 in words is "eight million, one hundred ninety-one thousand, four hundred eighty-eight".