30285400 has 48 divisors (see below), whose sum is σ = 70921800. Its totient is φ = 12026880.

The previous prime is 30285391. The next prime is 30285403. The reversal of 30285400 is 458203.

It is a super-3 number, since 3×30285400³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30285403) 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 11 ways as a sum of consecutive naturals, for example, 32136 + ... + 33064.

Almost surely, 2^30285400 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 30285400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35460900).

30285400 is an abundant number, since it is smaller than the sum of its proper divisors (40636400).

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

30285400 is a wasteful number, since it uses less digits than its factorization.

30285400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 30285400 is about 5503.2172408510. The cubic root of 30285400 is about 311.7054803419.

The spelling of 30285400 in words is "thirty million, two hundred eighty-five thousand, four hundred".