342087805 has 8 divisors (see below), whose sum is σ = 420517944. Its totient is φ = 266995200.

The previous prime is 342087803. The next prime is 342087827. The reversal of 342087805 is 508780243.

It can be written as a sum of positive squares in 4 ways, for example, as 1390041 + 340697764 = 1179^2 + 18458^2 .

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

It is not a de Polignac number, because 342087805 - 2¹ = 342087803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342087803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834156 + ... + 834565.

It is an arithmetic number, because the mean of its divisors is an integer number (52564743).

Almost surely, 2^342087805 is an apocalyptic number.

It is an amenable number.

342087805 is a deficient number, since it is larger than the sum of its proper divisors (78430139).

342087805 is a wasteful number, since it uses less digits than its factorization.

342087805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668767.

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

The square root of 342087805 is about 18495.6158318668. The cubic root of 342087805 is about 699.3789082682.

The spelling of 342087805 in words is "three hundred forty-two million, eighty-seven thousand, eight hundred five".