30217088 has 48 divisors (see below), whose sum is σ = 66202080. Its totient is φ = 13728000.

The previous prime is 30217081. The next prime is 30217091. The reversal of 30217088 is 88071203.

It is a self number, because there is not a number n which added to its sum of digits gives 30217088.

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14513 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (1379210).

Almost surely, 2^30217088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30217088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33101040).

30217088 is an abundant number, since it is smaller than the sum of its proper divisors (35984992).

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

30217088 is a wasteful number, since it uses less digits than its factorization.

30217088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 30217088 is about 5497.0071857330. The cubic root of 30217088 is about 311.4709420870.

The spelling of 30217088 in words is "thirty million, two hundred seventeen thousand, eighty-eight".