342896557 has 4 divisors (see below), whose sum is σ = 343234080. Its totient is φ = 342559036.

The previous prime is 342896527. The next prime is 342896563. The reversal of 342896557 is 755698243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 755698243 = 5059 ⋅149377.

It is a cyclic number.

It is not a de Polignac number, because 342896557 - 2⁷ = 342896429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342896557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342896527) 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, 167233 + ... + 169270.

It is an arithmetic number, because the mean of its divisors is an integer number (85808520).

Almost surely, 2^342896557 is an apocalyptic number.

It is an amenable number.

342896557 is a deficient number, since it is larger than the sum of its proper divisors (337523).

342896557 is a wasteful number, since it uses less digits than its factorization.

342896557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337522.

The product of its digits is 1814400, while the sum is 49.

The square root of 342896557 is about 18517.4662683640. The cubic root of 342896557 is about 699.9296235370.

The spelling of 342896557 in words is "three hundred forty-two million, eight hundred ninety-six thousand, five hundred fifty-seven".