30324400 has 60 divisors (see below), whose sum is σ = 74450592. Its totient is φ = 11864320.

The previous prime is 30324389. The next prime is 30324403. The reversal of 30324400 is 442303.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (30324403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17994 + ... + 19606.

Almost surely, 2^30324400 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 30324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37225296).

30324400 is an abundant number, since it is smaller than the sum of its proper divisors (44126192).

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

30324400 is a wasteful number, since it uses less digits than its factorization.

30324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30324400 is about 5506.7594826722. The cubic root of 30324400 is about 311.8392224451.

Adding to 30324400 its reverse (442303), we get a palindrome (30766703).

The spelling of 30324400 in words is "thirty million, three hundred twenty-four thousand, four hundred".