30350208 has 96 divisors (see below), whose sum is σ = 93837960. Its totient is φ = 8666112.

The previous prime is 30350207. The next prime is 30350227. The reversal of 30350208 is 80205303.

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

It is a super-2 number, since 2×30350208² = 1842270251286528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30350207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18010 + ... + 19622.

Almost surely, 2^30350208 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 30350208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46918980).

30350208 is an abundant number, since it is smaller than the sum of its proper divisors (63487752).

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

30350208 is a wasteful number, since it uses less digits than its factorization.

30350208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30350208 is about 5509.1022862169. The cubic root of 30350208 is about 311.9276623882.

The spelling of 30350208 in words is "thirty million, three hundred fifty thousand, two hundred eight".