30936 has 16 divisors (see below), whose sum is σ = 77400. Its totient is φ = 10304.

The previous prime is 30931. The next prime is 30937. The reversal of 30936 is 63903.

30936 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621 + ... + 668.

2³⁰⁹³⁶ is an apocalyptic number.

It is an amenable number.

30936 is an abundant number, since it is smaller than the sum of its proper divisors (46464).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38700).

30936 is a wasteful number, since it uses less digits than its factorization.

30936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1294 counting only the distinct ones).

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

The square root of 30936 is about 175.8863269274. The cubic root of 30936 is about 31.3921735264.

The spelling of 30936 in words is "thirty thousand, nine hundred thirty-six".