358209 has 8 divisors (see below), whose sum is σ = 530720. Its totient is φ = 238788.

The previous prime is 358201. The next prime is 358213. The reversal of 358209 is 902853.

It is not a de Polignac number, because 358209 - 2³ = 358201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13267 = 358209 / (3 + 5 + 8 + 2 + 0 + 9).

It is a Duffinian number.

358209 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (358201) 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, 6607 + ... + 6660.

It is an arithmetic number, because the mean of its divisors is an integer number (66340).

2³⁵⁸²⁰⁹ is an apocalyptic number.

It is an amenable number.

358209 is a deficient number, since it is larger than the sum of its proper divisors (172511).

358209 is a wasteful number, since it uses less digits than its factorization.

358209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276 (or 13270 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 358209 is about 598.5056390712. The cubic root of 358209 is about 71.0196996186.

Subtracting 358209 from its reverse (902853), we obtain a square (544644 = 738²).

The spelling of 358209 in words is "three hundred fifty-eight thousand, two hundred nine".