30368196 has 72 divisors (see below), whose sum is σ = 80516800. Its totient is φ = 10007712.

The previous prime is 30368183. The next prime is 30368207. The reversal of 30368196 is 69186303.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30368196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152505 + ... + 152703.

Almost surely, 2^30368196 is an apocalyptic number.

30368196 is a gapful number since it is divisible by the number (36) 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 30368196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40258400).

30368196 is an abundant number, since it is smaller than the sum of its proper divisors (50148604).

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

30368196 is a wasteful number, since it uses less digits than its factorization.

30368196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 30368196 is about 5510.7346152759. The cubic root of 30368196 is about 311.9892747792.

The spelling of 30368196 in words is "thirty million, three hundred sixty-eight thousand, one hundred ninety-six".