103091808 has 96 divisors (see below), whose sum is σ = 288943200. Its totient is φ = 32071680.

The previous prime is 103091801. The next prime is 103091827. The reversal of 103091808 is 808190301.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103091801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295218 + ... + 295566.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 2^103091808 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 103091808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144471600).

103091808 is an abundant number, since it is smaller than the sum of its proper divisors (185851392).

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

103091808 is a wasteful number, since it uses less digits than its factorization.

103091808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 103091808 is about 10153.4136131648. The cubic root of 103091808 is about 468.8940466811.

The spelling of 103091808 in words is "one hundred three million, ninety-one thousand, eight hundred eight".