236485 has 4 divisors (see below), whose sum is σ = 283788. Its totient is φ = 189184.

The previous prime is 236479. The next prime is 236503. The reversal of 236485 is 584632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77284 + 159201 = 278^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 236485 - 2³ = 236477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 23644 + ... + 23653.

It is an arithmetic number, because the mean of its divisors is an integer number (70947).

2²³⁶⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

236485 is a deficient number, since it is larger than the sum of its proper divisors (47303).

236485 is an equidigital number, since it uses as much as digits as its factorization.

236485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47302.

The product of its digits is 5760, while the sum is 28.

The square root of 236485 is about 486.2972342097. The cubic root of 236485 is about 61.8397701024.

It can be divided in two parts, 23648 and 5, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 236485 in words is "two hundred thirty-six thousand, four hundred eighty-five".