236413 has 4 divisors (see below), whose sum is σ = 240480. Its totient is φ = 232348.

The previous prime is 236407. The next prime is 236429. The reversal of 236413 is 314632.

It is the 199-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 236413 - 2⁵ = 236381 is a prime.

It is a super-2 number, since 2×236413² = 111782213138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (60120).

2²³⁶⁴¹³ is an apocalyptic number.

It is an amenable number.

236413 is a deficient number, since it is larger than the sum of its proper divisors (4067).

236413 is an equidigital number, since it uses as much as digits as its factorization.

236413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066.

The product of its digits is 432, while the sum is 19.

The square root of 236413 is about 486.2231997756. The cubic root of 236413 is about 61.8334935726.

The spelling of 236413 in words is "two hundred thirty-six thousand, four hundred thirteen".