30842208 has 120 divisors (see below), whose sum is σ = 92512728. Its totient is φ = 10077696.

The previous prime is 30842183. The next prime is 30842213. The reversal of 30842208 is 80224803.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 189135 + ... + 189297.

Almost surely, 2^30842208 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 30842208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46256364).

30842208 is an abundant number, since it is smaller than the sum of its proper divisors (61670520).

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

30842208 is a wasteful number, since it uses less digits than its factorization.

30842208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 30842208 is about 5553.5761451519. The cubic root of 30842208 is about 313.6041640083.

The spelling of 30842208 in words is "thirty million, eight hundred forty-two thousand, two hundred eight".