30217104 has 80 divisors (see below), whose sum is σ = 87643200. Its totient is φ = 9967104.

The previous prime is 30217093. The next prime is 30217111. The reversal of 30217104 is 40171203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48507 + ... + 49125.

It is an arithmetic number, because the mean of its divisors is an integer number (1095540).

Almost surely, 2^30217104 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 30217104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43821600).

30217104 is an abundant number, since it is smaller than the sum of its proper divisors (57426096).

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

30217104 is a wasteful number, since it uses less digits than its factorization.

30217104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 30217104 is about 5497.0086410702. The cubic root of 30217104 is about 311.4709970618.

Adding to 30217104 its reverse (40171203), we get a palindrome (70388307).

The spelling of 30217104 in words is "thirty million, two hundred seventeen thousand, one hundred four".