343556 has 6 divisors (see below), whose sum is σ = 601230. Its totient is φ = 171776.

The previous prime is 343547. The next prime is 343559. The reversal of 343556 is 655343.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 2500 = 584^2 + 50^2 .

It is not an unprimeable number, because it can be changed into a prime (343559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42941 + ... + 42948.

It is an arithmetic number, because the mean of its divisors is an integer number (100205).

2³⁴³⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

343556 is a deficient number, since it is larger than the sum of its proper divisors (257674).

343556 is a wasteful number, since it uses less digits than its factorization.

343556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85893 (or 85891 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 343556 is about 586.1365028728. The cubic root of 343556 is about 70.0378027106.

Adding to 343556 its reverse (655343), we get a palindrome (998899).

The spelling of 343556 in words is "three hundred forty-three thousand, five hundred fifty-six".