236942 has 4 divisors (see below), whose sum is σ = 355416. Its totient is φ = 118470.

The previous prime is 236917. The next prime is 236947. The reversal of 236942 is 249632.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×236942² = 112283022728, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 3¹¹ + 9⁵ + 6³ + 4² + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236947) by changing a digit.

236942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59234 + ... + 59237.

It is an arithmetic number, because the mean of its divisors is an integer number (88854).

2²³⁶⁹⁴² is an apocalyptic number.

236942 is a deficient number, since it is larger than the sum of its proper divisors (118474).

236942 is a wasteful number, since it uses less digits than its factorization.

236942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118473.

The product of its digits is 2592, while the sum is 26.

The square root of 236942 is about 486.7668846584. The cubic root of 236942 is about 61.8795789558.

The spelling of 236942 in words is "two hundred thirty-six thousand, nine hundred forty-two".