30882280 has 64 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 10364160.

The previous prime is 30882263. The next prime is 30882283. The reversal of 30882280 is 8228803.

It is not an unprimeable number, because it can be changed into a prime (30882283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021 + ... + 8419.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^30882280 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 30882280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40824000).

30882280 is an abundant number, since it is smaller than the sum of its proper divisors (50765720).

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

30882280 is a wasteful number, since it uses less digits than its factorization.

30882280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434 (or 5430 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 30882280 is about 5557.1827394823. The cubic root of 30882280 is about 313.7399228522.

The spelling of 30882280 in words is "thirty million, eight hundred eighty-two thousand, two hundred eighty".