35842 has 4 divisors (see below), whose sum is σ = 53766. Its totient is φ = 17920.

The previous prime is 35839. The next prime is 35851. The reversal of 35842 is 24853.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24853 = 29 ⋅857.

It can be written as a sum of positive squares in only one way, i.e., 35721 + 121 = 189^2 + 11^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8959 + ... + 8962.

2³⁵⁸⁴² is an apocalyptic number.

35842 is a deficient number, since it is larger than the sum of its proper divisors (17924).

35842 is a wasteful number, since it uses less digits than its factorization.

35842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17923.

The product of its digits is 960, while the sum is 22.

The square root of 35842 is about 189.3198351996. The cubic root of 35842 is about 32.9708956736.

It can be divided in two parts, 358 and 42, that added together give a square (400 = 20²).

The spelling of 35842 in words is "thirty-five thousand, eight hundred forty-two".