236628 has 48 divisors (see below), whose sum is σ = 703360. Its totient is φ = 67392.

The previous prime is 236627. The next prime is 236641. The reversal of 236628 is 826632.

236628 is a `hidden beast` number, since 2 + 36 + 628 = 666.

236628 is nontrivially palindromic in base 5.

236628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600 + ... + 912.

236628 is a Friedman number, since it can be written as 6^2*(3^8+6*2), using all its digits and the basic arithmetic operations.

2²³⁶⁶²⁸ is an apocalyptic number.

236628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 236628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351680).

236628 is an abundant number, since it is smaller than the sum of its proper divisors (466732).

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

236628 is a wasteful number, since it uses less digits than its factorization.

236628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 325 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 236628 is about 486.4442414090. Note that the first 3 decimals coincide. The cubic root of 236628 is about 61.8522322110.

The spelling of 236628 in words is "two hundred thirty-six thousand, six hundred twenty-eight".