30234432 has 112 divisors (see below), whose sum is σ = 86685120. Its totient is φ = 9265152.

The previous prime is 30234389. The next prime is 30234437. The reversal of 30234432 is 23443203.

It is a junction number, because it is equal to n+sod(n) for n = 30234399 and 30234408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30234437) 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, 192498 + ... + 192654.

Almost surely, 2^30234432 is an apocalyptic number.

30234432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43342560).

30234432 is an abundant number, since it is smaller than the sum of its proper divisors (56450688).

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

30234432 is a wasteful number, since it uses less digits than its factorization.

30234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30234432 is about 5498.5845451352. The cubic root of 30234432 is about 311.5305233718.

Adding to 30234432 its reverse (23443203), we get a palindrome (53677635).

The spelling of 30234432 in words is "thirty million, two hundred thirty-four thousand, four hundred thirty-two".