5191808 has 32 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 2537728.

The previous prime is 5191799. The next prime is 5191819. The reversal of 5191808 is 8081915.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 5585 + ... + 6447.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^5191808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5191808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287680).

5191808 is an abundant number, since it is smaller than the sum of its proper divisors (5383552).

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

5191808 is an equidigital number, since it uses as much as digits as its factorization.

5191808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 5191808 is about 2278.5539273846. The cubic root of 5191808 is about 173.1567959342.

The spelling of 5191808 in words is "five million, one hundred ninety-one thousand, eight hundred eight".