343241887 has 4 divisors (see below), whose sum is σ = 343455256. Its totient is φ = 343028520.

The previous prime is 343241879. The next prime is 343241891. The reversal of 343241887 is 788142343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788142343 = 113 ⋅6974711.

It is a cyclic number.

It is not a de Polignac number, because 343241887 - 2³ = 343241879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343221887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104253 + ... + 107494.

It is an arithmetic number, because the mean of its divisors is an integer number (85863814).

Almost surely, 2^343241887 is an apocalyptic number.

343241887 is a deficient number, since it is larger than the sum of its proper divisors (213369).

343241887 is a wasteful number, since it uses less digits than its factorization.

343241887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213368.

The product of its digits is 129024, while the sum is 40.

The square root of 343241887 is about 18526.7883617210. The cubic root of 343241887 is about 700.1645103142.

The spelling of 343241887 in words is "three hundred forty-three million, two hundred forty-one thousand, eight hundred eighty-seven".