360809 has 8 divisors (see below), whose sum is σ = 379392. Its totient is φ = 342720.

The previous prime is 360803. The next prime is 360817. The reversal of 360809 is 908063.

360809 = 56³ + 57³.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-360809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (360803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

2³⁶⁰⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

360809 is a deficient number, since it is larger than the sum of its proper divisors (18583).

360809 is a wasteful number, since it uses less digits than its factorization.

360809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 360809 is about 600.6737883411. The cubic root of 360809 is about 71.1911137544.

The spelling of 360809 in words is "three hundred sixty thousand, eight hundred nine".