366009 has 16 divisors (see below), whose sum is σ = 577920. Its totient is φ = 201600.

The previous prime is 366001. The next prime is 366013. The reversal of 366009 is 900663.

It is not a de Polignac number, because 366009 - 2³ = 366001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 366009.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366009.

It is not an unprimeable number, because it can be changed into a prime (366001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (36120).

2³⁶⁶⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

366009 is a deficient number, since it is larger than the sum of its proper divisors (211911).

366009 is a wasteful number, since it uses less digits than its factorization.

366009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 366009 is about 604.9867767150. The cubic root of 366009 is about 71.5314872645.

The spelling of 366009 in words is "three hundred sixty-six thousand, nine".