358609 has 4 divisors (see below), whose sum is σ = 362404. Its totient is φ = 354816.

The previous prime is 358607. The next prime is 358613. The reversal of 358609 is 906853.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906853 = 97 ⋅9349.

It can be written as a sum of positive squares in 2 ways, for example, as 88209 + 270400 = 297^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 358609 - 2¹ = 358607 is a prime.

It is a d-powerful number, because it can be written as 3³ + 5⁷ + 6⁷ + 8³ + 0 + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (358601) 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, 1752 + ... + 1945.

It is an arithmetic number, because the mean of its divisors is an integer number (90601).

2³⁵⁸⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

358609 is a deficient number, since it is larger than the sum of its proper divisors (3795).

358609 is an equidigital number, since it uses as much as digits as its factorization.

358609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 358609 is about 598.8397114421. The cubic root of 358609 is about 71.0461248921.

The spelling of 358609 in words is "three hundred fifty-eight thousand, six hundred nine".