838468705 has 8 divisors (see below), whose sum is σ = 1012572072. Its totient is φ = 666501888.

The previous prime is 838468699. The next prime is 838468717. The reversal of 838468705 is 507864838.

It can be written as a sum of positive squares in 4 ways, for example, as 249387264 + 589081441 = 15792^2 + 24271^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 838468705 - 2⁹ = 838468193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 533272 + ... + 534841.

It is an arithmetic number, because the mean of its divisors is an integer number (126571509).

Almost surely, 2^838468705 is an apocalyptic number.

It is an amenable number.

838468705 is a deficient number, since it is larger than the sum of its proper divisors (174103367).

838468705 is a wasteful number, since it uses less digits than its factorization.

838468705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068275.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 838468705 is about 28956.3240933652. The cubic root of 838468705 is about 942.9650995969.

The spelling of 838468705 in words is "eight hundred thirty-eight million, four hundred sixty-eight thousand, seven hundred five".