342800857 has 8 divisors (see below), whose sum is σ = 392236416. Its totient is φ = 293481312.

The previous prime is 342800849. The next prime is 342800867. The reversal of 342800857 is 758008243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342800857 - 2³ = 342800849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342800837) 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 7 ways as a sum of consecutive naturals, for example, 22573 + ... + 34570.

It is an arithmetic number, because the mean of its divisors is an integer number (49029552).

Almost surely, 2^342800857 is an apocalyptic number.

It is an amenable number.

342800857 is a deficient number, since it is larger than the sum of its proper divisors (49435559).

342800857 is an equidigital number, since it uses as much as digits as its factorization.

342800857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58007.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 342800857 is about 18514.8820412121. The cubic root of 342800857 is about 699.8645023451.

It can be divided in two parts, 342800 and 857, that multiplied together give a square (293779600 = 17140²).

The spelling of 342800857 in words is "three hundred forty-two million, eight hundred thousand, eight hundred fifty-seven".