236420 has 12 divisors (see below), whose sum is σ = 496524. Its totient is φ = 94560.

The previous prime is 236407. The next prime is 236429. The reversal of 236420 is 24632.

236420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56644 + 179776 = 238^2 + 424^2 .

It is not an unprimeable number, because it can be changed into a prime (236429) 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, 5891 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (41377).

2²³⁶⁴²⁰ is an apocalyptic number.

236420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236420 is an abundant number, since it is smaller than the sum of its proper divisors (260104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

236420 is a wasteful number, since it uses less digits than its factorization.

236420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830 (or 11828 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 236420 is about 486.2303980625. The cubic root of 236420 is about 61.8341038467.

It can be divided in two parts, 236 and 420, that added together give a palindrome (656).

The spelling of 236420 in words is "two hundred thirty-six thousand, four hundred twenty".