358661 has 4 divisors (see below), whose sum is σ = 364800. Its totient is φ = 352524.

The previous prime is 358637. The next prime is 358667. The reversal of 358661 is 166853.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 358661 - 2⁶ = 358597 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 5⁷ + 6 + 8³ + 6⁷ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358667) 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, 2981 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (91200).

2³⁵⁸⁶⁶¹ is an apocalyptic number.

It is an amenable number.

358661 is a deficient number, since it is larger than the sum of its proper divisors (6139).

358661 is an equidigital number, since it uses as much as digits as its factorization.

358661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138.

The product of its digits is 4320, while the sum is 29.

The square root of 358661 is about 598.8831271626. The cubic root of 358661 is about 71.0495587341.

The spelling of 358661 in words is "three hundred fifty-eight thousand, six hundred sixty-one".