838715042 has 16 divisors (see below), whose sum is σ = 1378605312. Its totient is φ = 379522320.

The previous prime is 838715029. The next prime is 838715057. The reversal of 838715042 is 240517838.

It is a junction number, because it is equal to n+sod(n) for n = 838714987 and 838715005.

It is an unprimeable number.

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, 80573 + ... + 90384.

It is an arithmetic number, because the mean of its divisors is an integer number (86162832).

Almost surely, 2^838715042 is an apocalyptic number.

838715042 is a deficient number, since it is larger than the sum of its proper divisors (539890270).

838715042 is a wasteful number, since it uses less digits than its factorization.

838715042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171193.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 838715042 is about 28960.5773768411. The cubic root of 838715042 is about 943.0574363563.

The spelling of 838715042 in words is "eight hundred thirty-eight million, seven hundred fifteen thousand, forty-two".