30889160 has 16 divisors (see below), whose sum is σ = 69500700. Its totient is φ = 12355648.

The previous prime is 30889151. The next prime is 30889163. The reversal of 30889160 is 6198803.

It can be written as a sum of positive squares in 2 ways, for example, as 30758116 + 131044 = 5546^2 + 362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30889160.

It is not an unprimeable number, because it can be changed into a prime (30889163) 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 3 ways as a sum of consecutive naturals, for example, 386075 + ... + 386154.

Almost surely, 2^30889160 is an apocalyptic number.

It is an amenable number.

30889160 is an abundant number, since it is smaller than the sum of its proper divisors (38611540).

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

30889160 is a wasteful number, since it uses less digits than its factorization.

30889160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772240 (or 772236 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 30889160 is about 5557.8017237034. The cubic root of 30889160 is about 313.7632196035.

The spelling of 30889160 in words is "thirty million, eight hundred eighty-nine thousand, one hundred sixty".