30396 has 24 divisors (see below), whose sum is σ = 75600. Its totient is φ = 9472.

The previous prime is 30391. The next prime is 30403. The reversal of 30396 is 69303.

30396 = 34² + 35² + ... + 50².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30391) by changing a digit.

30396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 278.

It is an arithmetic number, because the mean of its divisors is an integer number (3150).

2³⁰³⁹⁶ 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 30396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37800).

30396 is an abundant number, since it is smaller than the sum of its proper divisors (45204).

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

30396 is a wasteful number, since it uses less digits than its factorization.

30396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30396 is about 174.3444865776. The cubic root of 30396 is about 31.2084461026.

Adding to 30396 its reverse (69303), we get a palindrome (99699).

The spelling of 30396 in words is "thirty thousand, three hundred ninety-six".