346556 has 12 divisors (see below), whose sum is σ = 693168. Its totient is φ = 148512.

The previous prime is 346553. The next prime is 346559. The reversal of 346556 is 655643.

It is an interprime number because it is at equal distance from previous prime (346553) and next prime (346559).

346556 is an admirable number.

It is a super-2 number, since 2×346556² = 240202122272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346553) 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, 6161 + ... + 6216.

It is an arithmetic number, because the mean of its divisors is an integer number (57764).

2³⁴⁶⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

346556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

346556 is a wasteful number, since it uses less digits than its factorization.

346556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388 (or 12386 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 346556 is about 588.6900712599. The cubic root of 346556 is about 70.2410735736.

The spelling of 346556 in words is "three hundred forty-six thousand, five hundred fifty-six".