368809 has 16 divisors (see below), whose sum is σ = 460800. Its totient is φ = 288144.

The previous prime is 368803. The next prime is 368833. The reversal of 368809 is 908863.

368809 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 368809 - 2³ = 368801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368801) 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, 6222 + ... + 6280.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2³⁶⁸⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

368809 is a deficient number, since it is larger than the sum of its proper divisors (91991).

368809 is a wasteful number, since it uses less digits than its factorization.

368809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 368809 is about 607.2964679627. The cubic root of 368809 is about 71.7134314093.

The spelling of 368809 in words is "three hundred sixty-eight thousand, eight hundred nine".