838765 has 8 divisors (see below), whose sum is σ = 1012320. Its totient is φ = 667152.

The previous prime is 838757. The next prime is 838769. The reversal of 838765 is 567838.

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 838765 - 2³ = 838757 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 766 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (126540).

2⁸³⁸⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

838765 is a deficient number, since it is larger than the sum of its proper divisors (173555).

838765 is a wasteful number, since it uses less digits than its factorization.

838765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 40320, while the sum is 37.

The square root of 838765 is about 915.8411434305. The cubic root of 838765 is about 94.3076160367.

The spelling of 838765 in words is "eight hundred thirty-eight thousand, seven hundred sixty-five".