30284472 has 32 divisors (see below), whose sum is σ = 76452480. Its totient is φ = 9996000.

The previous prime is 30284447. The next prime is 30284477. The reversal of 30284472 is 27448203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30284477) 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 7 ways as a sum of consecutive naturals, for example, 3654 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (2389140).

Almost surely, 2^30284472 is an apocalyptic number.

It is an amenable number.

30284472 is an abundant number, since it is smaller than the sum of its proper divisors (46168008).

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

30284472 is a wasteful number, since it uses less digits than its factorization.

30284472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 30284472 is about 5503.1329258887. The cubic root of 30284472 is about 311.7022965675.

The spelling of 30284472 in words is "thirty million, two hundred eighty-four thousand, four hundred seventy-two".