368909 has 4 divisors (see below), whose sum is σ = 381660. Its totient is φ = 356160.

The previous prime is 368899. The next prime is 368911. The reversal of 368909 is 909863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 103684 = 515^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 368909 - 2⁸ = 368653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 368909.

It is not an unprimeable number, because it can be changed into a prime (368939) 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, 6332 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (95415).

2³⁶⁸⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

368909 is a deficient number, since it is larger than the sum of its proper divisors (12751).

368909 is a wasteful number, since it uses less digits than its factorization.

368909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 368909 is about 607.3787944932. The cubic root of 368909 is about 71.7199123566.

The spelling of 368909 in words is "three hundred sixty-eight thousand, nine hundred nine".