343597057 has 4 divisors (see below), whose sum is σ = 348303940. Its totient is φ = 338890176.

The previous prime is 343597031. The next prime is 343597091. The reversal of 343597057 is 750795343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750795343 = 47 ⋅15974369.

It can be written as a sum of positive squares in 2 ways, for example, as 277922241 + 65674816 = 16671^2 + 8104^2 .

It is a cyclic number.

It is not a de Polignac number, because 343597057 - 2¹¹ = 343595009 is a prime.

It is a super-2 number, since 2×343597057² = 236117875158122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343597157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353332 + ... + 2353477.

It is an arithmetic number, because the mean of its divisors is an integer number (87075985).

Almost surely, 2^343597057 is an apocalyptic number.

It is an amenable number.

343597057 is a deficient number, since it is larger than the sum of its proper divisors (4706883).

343597057 is an equidigital number, since it uses as much as digits as its factorization.

343597057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706882.

The product of its (nonzero) digits is 396900, while the sum is 43.

The square root of 343597057 is about 18536.3711928738. The cubic root of 343597057 is about 700.4059257851.

The spelling of 343597057 in words is "three hundred forty-three million, five hundred ninety-seven thousand, fifty-seven".