30850288 has 20 divisors (see below), whose sum is σ = 68311600. Its totient is φ = 13221504.

The previous prime is 30850279. The next prime is 30850289. The reversal of 30850288 is 88205803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30850289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137613 + ... + 137836.

It is an arithmetic number, because the mean of its divisors is an integer number (3415580).

Almost surely, 2^30850288 is an apocalyptic number.

It is an amenable number.

30850288 is an abundant number, since it is smaller than the sum of its proper divisors (37461312).

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

30850288 is a wasteful number, since it uses less digits than its factorization.

30850288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275464 (or 275458 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 30850288 is about 5554.3035567027. The cubic root of 30850288 is about 313.6315474823.

The spelling of 30850288 in words is "thirty million, eight hundred fifty thousand, two hundred eighty-eight".