236728 has 16 divisors (see below), whose sum is σ = 449280. Its totient is φ = 116928.

The previous prime is 236723. The next prime is 236729. The reversal of 236728 is 827632.

It is a junction number, because it is equal to n+sod(n) for n = 236696 and 236705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236723) 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, 900 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2²³⁶⁷²⁸ is an apocalyptic number.

It is an amenable number.

236728 is a deficient number, since it is larger than the sum of its proper divisors (212552).

236728 is a wasteful number, since it uses less digits than its factorization.

236728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 362 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 236728 is about 486.5470172553. The cubic root of 236728 is about 61.8609439894.

The spelling of 236728 in words is "two hundred thirty-six thousand, seven hundred twenty-eight".