42396 has 12 divisors (see below), whose sum is σ = 98952. Its totient is φ = 14128.

The previous prime is 42391. The next prime is 42397. The reversal of 42396 is 69324.

42396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42391) 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, 1755 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (8246).

2⁴²³⁹⁶ is an apocalyptic number.

It is an amenable number.

42396 is an abundant number, since it is smaller than the sum of its proper divisors (56556).

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 (49476).

42396 is a wasteful number, since it uses less digits than its factorization.

42396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3538 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 42396 is about 205.9028897320. The cubic root of 42396 is about 34.8691714415.

The spelling of 42396 in words is "forty-two thousand, three hundred ninety-six".