838635 has 32 divisors (see below), whose sum is σ = 1574400. Its totient is φ = 381024.

The previous prime is 838633. The next prime is 838657. The reversal of 838635 is 536838.

It is not a de Polignac number, because 838635 - 2¹ = 838633 is a prime.

Its product of digits (17280) is a multiple of the sum of its prime factors (192).

It is a junction number, because it is equal to n+sod(n) for n = 838596 and 838605.

It is not an unprimeable number, because it can be changed into a prime (838631) 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 31 ways as a sum of consecutive naturals, for example, 5064 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (49200).

2⁸³⁸⁶³⁵ is an apocalyptic number.

838635 is a deficient number, since it is larger than the sum of its proper divisors (735765).

838635 is a wasteful number, since it uses less digits than its factorization.

838635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 178 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 838635 is about 915.7701676731. The cubic root of 838635 is about 94.3027435462.

The spelling of 838635 in words is "eight hundred thirty-eight thousand, six hundred thirty-five".