42356 has 6 divisors (see below), whose sum is σ = 74130. Its totient is φ = 21176.

The previous prime is 42349. The next prime is 42359. The reversal of 42356 is 65324.

42356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28900 + 13456 = 170^2 + 116^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42356.

It is not an unprimeable number, because it can be changed into a prime (42359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5291 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (12355).

2⁴²³⁵⁶ is an apocalyptic number.

It is an amenable number.

42356 is a deficient number, since it is larger than the sum of its proper divisors (31774).

42356 is a wasteful number, since it uses less digits than its factorization.

42356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593 (or 10591 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 42356 is about 205.8057336422. The cubic root of 42356 is about 34.8582018081.

The spelling of 42356 in words is "forty-two thousand, three hundred fifty-six".