30169930 has 16 divisors (see below), whose sum is σ = 62064000. Its totient is φ = 10343952.

The previous prime is 30169907. The next prime is 30169933. The reversal of 30169930 is 3996103.

It is a junction number, because it is equal to n+sod(n) for n = 30169892 and 30169901.

It is not an unprimeable number, because it can be changed into a prime (30169933) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 215430 + ... + 215569.

It is an arithmetic number, because the mean of its divisors is an integer number (3879000).

Almost surely, 2^30169930 is an apocalyptic number.

30169930 is an abundant number, since it is smaller than the sum of its proper divisors (31894070).

30169930 is a wasteful number, since it uses less digits than its factorization.

30169930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431013.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 30169930 is about 5492.7160858723. The cubic root of 30169930 is about 311.3088263730.

The spelling of 30169930 in words is "thirty million, one hundred sixty-nine thousand, nine hundred thirty".