368728 has 8 divisors (see below), whose sum is σ = 691380. Its totient is φ = 184360.

The previous prime is 368717. The next prime is 368729. The reversal of 368728 is 827863.

It is a happy number.

368728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 368693 and 368702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368729) by changing a digit.

368728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23038 + ... + 23053.

2³⁶⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

368728 is a deficient number, since it is larger than the sum of its proper divisors (322652).

368728 is a wasteful number, since it uses less digits than its factorization.

368728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46097 (or 46093 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 368728 is about 607.2297752910. The cubic root of 368728 is about 71.7081809831.

The spelling of 368728 in words is "three hundred sixty-eight thousand, seven hundred twenty-eight".