355668 has 24 divisors (see below), whose sum is σ = 840672. Its totient is φ = 117024.

The previous prime is 355651. The next prime is 355669. The reversal of 355668 is 866553.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355669) 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, 1146 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (35028).

2³⁵⁵⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

355668 is an abundant number, since it is smaller than the sum of its proper divisors (485004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355668 is a wasteful number, since it uses less digits than its factorization.

355668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 355668 is about 596.3790740796. The cubic root of 355668 is about 70.8513719533.

Adding to 355668 its reverse (866553), we get a palindrome (1222221).

The spelling of 355668 in words is "three hundred fifty-five thousand, six hundred sixty-eight".