104591808 has 126 divisors (see below), whose sum is σ = 317031624. Its totient is φ = 32963328.

The previous prime is 104591807. The next prime is 104591819. The reversal of 104591808 is 808195401.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104591807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 207685 + ... + 208187.

It is an arithmetic number, because the mean of its divisors is an integer number (2516124).

Almost surely, 2^104591808 is an apocalyptic number.

104591808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104591808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158515812).

104591808 is an abundant number, since it is smaller than the sum of its proper divisors (212439816).

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

104591808 is a wasteful number, since it uses less digits than its factorization.

104591808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 104591808 is about 10227.0136403546. The cubic root of 104591808 is about 471.1572628600.

The spelling of 104591808 in words is "one hundred four million, five hundred ninety-one thousand, eight hundred eight".