30217089 has 32 divisors (see below), whose sum is σ = 47703040. Its totient is φ = 16656192.

The previous prime is 30217081. The next prime is 30217091. The reversal of 30217089 is 98071203.

It is a happy number.

It is not a de Polignac number, because 30217089 - 2³ = 30217081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30217081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98274 + ... + 98580.

It is an arithmetic number, because the mean of its divisors is an integer number (1490720).

Almost surely, 2^30217089 is an apocalyptic number.

It is an amenable number.

30217089 is a deficient number, since it is larger than the sum of its proper divisors (17485951).

30217089 is a wasteful number, since it uses less digits than its factorization.

30217089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 30217089 is about 5497.0072766916. The cubic root of 30217089 is about 311.4709455229.

It can be divided in two parts, 302 and 17089, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 30217089 in words is "thirty million, two hundred seventeen thousand, eighty-nine".