342557329 has 4 divisors (see below), whose sum is σ = 343272960. Its totient is φ = 341841700.

The previous prime is 342557323. The next prime is 342557333. The reversal of 342557329 is 923755243.

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 342557329 - 2²¹ = 340460177 is a prime.

It is a super-2 number, since 2×342557329² = 234691047303228482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342557291 and 342557300.

It is not an unprimeable number, because it can be changed into a prime (342557323) 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, 357097 + ... + 358054.

It is an arithmetic number, because the mean of its divisors is an integer number (85818240).

Almost surely, 2^342557329 is an apocalyptic number.

It is an amenable number.

342557329 is a deficient number, since it is larger than the sum of its proper divisors (715631).

342557329 is an equidigital number, since it uses as much as digits as its factorization.

342557329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715630.

The product of its digits is 226800, while the sum is 40.

The square root of 342557329 is about 18508.3043253562. The cubic root of 342557329 is about 699.6987336247.

The spelling of 342557329 in words is "three hundred forty-two million, five hundred fifty-seven thousand, three hundred twenty-nine".