236961 has 12 divisors (see below), whose sum is σ = 346788. Its totient is φ = 155904.

The previous prime is 236947. The next prime is 236981. The reversal of 236961 is 169632.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20736 + 216225 = 144^2 + 465^2 .

It is not a de Polignac number, because 236961 - 2⁶ = 236897 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 3¹¹ + 9⁵ + 6² + 6³ + 1 .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (28899).

2²³⁶⁹⁶¹ is an apocalyptic number.

It is an amenable number.

236961 is a deficient number, since it is larger than the sum of its proper divisors (109827).

236961 is a wasteful number, since it uses less digits than its factorization.

236961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 349 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 236961 is about 486.7864007961. The cubic root of 236961 is about 61.8812329197.

It can be divided in two parts, 2 and 36961, that added together give a palindrome (36963).

The spelling of 236961 in words is "two hundred thirty-six thousand, nine hundred sixty-one".