838315 has 4 divisors (see below), whose sum is σ = 1005984. Its totient is φ = 670648.

The previous prime is 838249. The next prime is 838349. The reversal of 838315 is 513838.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 838315 - 2¹¹ = 836267 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83827 + ... + 83836.

It is an arithmetic number, because the mean of its divisors is an integer number (251496).

2⁸³⁸³¹⁵ is an apocalyptic number.

838315 is a deficient number, since it is larger than the sum of its proper divisors (167669).

838315 is a wasteful number, since it uses less digits than its factorization.

838315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167668.

The product of its digits is 2880, while the sum is 28.

The square root of 838315 is about 915.5954346763. The cubic root of 838315 is about 94.2907475777.

The spelling of 838315 in words is "eight hundred thirty-eight thousand, three hundred fifteen".