343956 has 12 divisors (see below), whose sum is σ = 802592. Its totient is φ = 114648.

The previous prime is 343951. The next prime is 343963. The reversal of 343956 is 659343.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343956.

It is not an unprimeable number, because it can be changed into a prime (343951) by changing a digit.

343956 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14320 + ... + 14343.

2³⁴³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

343956 is an abundant number, since it is smaller than the sum of its proper divisors (458636).

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

343956 is a wasteful number, since it uses less digits than its factorization.

343956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28670 (or 28668 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 343956 is about 586.4776210564. The cubic root of 343956 is about 70.0649736867.

The spelling of 343956 in words is "three hundred forty-three thousand, nine hundred fifty-six".