842338515 has 16 divisors (see below), whose sum is σ = 1358032896. Its totient is φ = 445816800.

The previous prime is 842338513. The next prime is 842338579. The reversal of 842338515 is 515833248.

It is not a de Polignac number, because 842338515 - 2¹ = 842338513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842338513) 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 15 ways as a sum of consecutive naturals, for example, 212371 + ... + 216300.

It is an arithmetic number, because the mean of its divisors is an integer number (84877056).

Almost surely, 2^842338515 is an apocalyptic number.

842338515 is a deficient number, since it is larger than the sum of its proper divisors (515694381).

842338515 is a wasteful number, since it uses less digits than its factorization.

842338515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428810.

The product of its digits is 115200, while the sum is 39.

The square root of 842338515 is about 29023.0686695945. The cubic root of 842338515 is about 944.4135719423.

The spelling of 842338515 in words is "eight hundred forty-two million, three hundred thirty-eight thousand, five hundred fifteen".