355906 has 4 divisors (see below), whose sum is σ = 533862. Its totient is φ = 177952.

The previous prime is 355891. The next prime is 355909. The reversal of 355906 is 609553.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 25281 = 575^2 + 159^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (355909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88975 + ... + 88978.

2³⁵⁵⁹⁰⁶ is an apocalyptic number.

355906 is a deficient number, since it is larger than the sum of its proper divisors (177956).

355906 is a wasteful number, since it uses less digits than its factorization.

355906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177955.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 355906 is about 596.5785782275. The cubic root of 355906 is about 70.8671721440.

The spelling of 355906 in words is "three hundred fifty-five thousand, nine hundred six".