355456 has 16 divisors (see below), whose sum is σ = 708390. Its totient is φ = 177664.

The previous prime is 355441. The next prime is 355457. The reversal of 355456 is 654553.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 14400 = 584^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (355457) by changing a digit.

355456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261 + ... + 1516.

2³⁵⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

355456 is a deficient number, since it is larger than the sum of its proper divisors (352934).

355456 is an equidigital number, since it uses as much as digits as its factorization.

355456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2779 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 355456 is about 596.2013082844. The cubic root of 355456 is about 70.8372918972.

The spelling of 355456 in words is "three hundred fifty-five thousand, four hundred fifty-six".