30198808 has 16 divisors (see below), whose sum is σ = 58153680. Its totient is φ = 14691168.

The previous prime is 30198799. The next prime is 30198811. The reversal of 30198808 is 80889103.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50716 + ... + 51307.

It is an arithmetic number, because the mean of its divisors is an integer number (3634605).

Almost surely, 2^30198808 is an apocalyptic number.

It is an amenable number.

30198808 is a deficient number, since it is larger than the sum of its proper divisors (27954872).

30198808 is a wasteful number, since it uses less digits than its factorization.

30198808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102066 (or 102062 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 30198808 is about 5495.3442112392. The cubic root of 30198808 is about 311.4081207087.

The spelling of 30198808 in words is "thirty million, one hundred ninety-eight thousand, eight hundred eight".