343688873 has 4 divisors (see below), whose sum is σ = 374933328. Its totient is φ = 312444420.

The previous prime is 343688861. The next prime is 343688879. The reversal of 343688873 is 378886343.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 343688873 - 2¹⁰ = 343687849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343688879) 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, 15622211 + ... + 15622232.

It is an arithmetic number, because the mean of its divisors is an integer number (93733332).

Almost surely, 2^343688873 is an apocalyptic number.

It is an amenable number.

343688873 is a deficient number, since it is larger than the sum of its proper divisors (31244455).

343688873 is a wasteful number, since it uses less digits than its factorization.

343688873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31244454.

The product of its digits is 2322432, while the sum is 50.

The square root of 343688873 is about 18538.8476718484. The cubic root of 343688873 is about 700.4683077155.

The spelling of 343688873 in words is "three hundred forty-three million, six hundred eighty-eight thousand, eight hundred seventy-three".