342281857 has 8 divisors (see below), whose sum is σ = 351893376. Its totient is φ = 332689392.

The previous prime is 342281839. The next prime is 342281873. The reversal of 342281857 is 758182243.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342281857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342281657) 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 7 ways as a sum of consecutive naturals, for example, 36618 + ... + 45004.

It is an arithmetic number, because the mean of its divisors is an integer number (43986672).

Almost surely, 2^342281857 is an apocalyptic number.

342281857 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

342281857 is a deficient number, since it is larger than the sum of its proper divisors (9611519).

342281857 is a wasteful number, since it uses less digits than its factorization.

342281857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527.

The product of its digits is 107520, while the sum is 40.

The square root of 342281857 is about 18500.8609799652. The cubic root of 342281857 is about 699.5111260010.

The spelling of 342281857 in words is "three hundred forty-two million, two hundred eighty-one thousand, eight hundred fifty-seven".