343888 has 10 divisors (see below), whose sum is σ = 666314. Its totient is φ = 171936.

The previous prime is 343831. The next prime is 343891. The reversal of 343888 is 888343.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 121104 = 472^2 + 348^2 .

It is a congruent number.

It is an unprimeable number.

343888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10731 + ... + 10762.

2³⁴³⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

343888 is a deficient number, since it is larger than the sum of its proper divisors (322426).

343888 is a wasteful number, since it uses less digits than its factorization.

343888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21501 (or 21495 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 343888 is about 586.4196449643. The cubic root of 343888 is about 70.0603561075.

The spelling of 343888 in words is "three hundred forty-three thousand, eight hundred eighty-eight".