343873 has 4 divisors (see below), whose sum is σ = 358848. Its totient is φ = 328900.

The previous prime is 343831. The next prime is 343891. The reversal of 343873 is 378343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378343 = 7 ⋅54049.

It is not a de Polignac number, because 343873 - 2¹³ = 335681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343813) 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, 7453 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (89712).

2³⁴³⁸⁷³ is an apocalyptic number.

It is an amenable number.

343873 is a deficient number, since it is larger than the sum of its proper divisors (14975).

343873 is a wasteful number, since it uses less digits than its factorization.

343873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974.

The product of its digits is 6048, while the sum is 28.

The square root of 343873 is about 586.4068553487. The cubic root of 343873 is about 70.0593374419.

The spelling of 343873 in words is "three hundred forty-three thousand, eight hundred seventy-three".