342620859 has 16 divisors (see below), whose sum is σ = 526712832. Its totient is φ = 194049408.

The previous prime is 342620849. The next prime is 342620879. The reversal of 342620859 is 958026243.

It is a happy number.

It is not a de Polignac number, because 342620859 - 2⁴ = 342620843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342620809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69819 + ... + 74564.

It is an arithmetic number, because the mean of its divisors is an integer number (32919552).

Almost surely, 2^342620859 is an apocalyptic number.

342620859 is a deficient number, since it is larger than the sum of its proper divisors (184091973).

342620859 is a wasteful number, since it uses less digits than its factorization.

342620859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144506.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 342620859 is about 18510.0205024198. The cubic root of 342620859 is about 699.7419858622.

The spelling of 342620859 in words is "three hundred forty-two million, six hundred twenty thousand, eight hundred fifty-nine".