355666 has 8 divisors (see below), whose sum is σ = 537264. Its totient is φ = 176580.

The previous prime is 355651. The next prime is 355669. The reversal of 355666 is 666553.

It is a happy number.

355666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a plaindrome in base 10.

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 3 ways as a sum of consecutive naturals, for example, 220 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (67158).

2³⁵⁵⁶⁶⁶ is an apocalyptic number.

355666 is a deficient number, since it is larger than the sum of its proper divisors (181598).

355666 is a wasteful number, since it uses less digits than its factorization.

355666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its digits is 16200, while the sum is 31.

The square root of 355666 is about 596.3773972913. The cubic root of 355666 is about 70.8512391488.

The spelling of 355666 in words is "three hundred fifty-five thousand, six hundred sixty-six".