343573857 has 12 divisors (see below), whose sum is σ = 541389264. Its totient is φ = 208226520.

The previous prime is 343573801. The next prime is 343573861. The reversal of 343573857 is 758375343.

It is not a de Polignac number, because 343573857 - 2⁷ = 343573729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343573877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735123 + ... + 1735320.

It is an arithmetic number, because the mean of its divisors is an integer number (45115772).

Almost surely, 2^343573857 is an apocalyptic number.

It is an amenable number.

343573857 is a deficient number, since it is larger than the sum of its proper divisors (197815407).

343573857 is a wasteful number, since it uses less digits than its factorization.

343573857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470460 (or 3470457 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 343573857 is about 18535.7453856056. The cubic root of 343573857 is about 700.3901614056.

The spelling of 343573857 in words is "three hundred forty-three million, five hundred seventy-three thousand, eight hundred fifty-seven".