233642 has 8 divisors (see below), whose sum is σ = 352836. Its totient is φ = 116032.

The previous prime is 233641. The next prime is 233663. The reversal of 233642 is 246332.

It can be written as a sum of positive squares in 2 ways, for example, as 201601 + 32041 = 449^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (233641) 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, 98 + ... + 690.

2²³³⁶⁴² is an apocalyptic number.

233642 is a deficient number, since it is larger than the sum of its proper divisors (119194).

233642 is a wasteful number, since it uses less digits than its factorization.

233642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 864, while the sum is 20.

The square root of 233642 is about 483.3652863001. The cubic root of 233642 is about 61.5909597685.

Adding to 233642 its reverse (246332), we get a palindrome (479974).

The spelling of 233642 in words is "two hundred thirty-three thousand, six hundred forty-two".