30850530 has 32 divisors (see below), whose sum is σ = 75060864. Its totient is φ = 8113536.

The previous prime is 30850517. The next prime is 30850531. The reversal of 30850530 is 3505803.

It is a self number, because there is not a number n which added to its sum of digits gives 30850530.

It is not an unprimeable number, because it can be changed into a prime (30850531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4854 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (2345652).

Almost surely, 2^30850530 is an apocalyptic number.

30850530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30850530 is an abundant number, since it is smaller than the sum of its proper divisors (44210334).

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

30850530 is a wasteful number, since it uses less digits than its factorization.

30850530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30850530 is about 5554.3253415694. The cubic root of 30850530 is about 313.6323675571.

The spelling of 30850530 in words is "thirty million, eight hundred fifty thousand, five hundred thirty".