835664 has 20 divisors (see below), whose sum is σ = 1675860. Its totient is φ = 403200.

The previous prime is 835663. The next prime is 835673. The reversal of 835664 is 466538.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 577600 = 508^2 + 760^2 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 835664.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 835664.

It is not an unprimeable number, because it can be changed into a prime (835661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (83793).

2⁸³⁵⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

835664 is an abundant number, since it is smaller than the sum of its proper divisors (840196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

835664 is a wasteful number, since it uses less digits than its factorization.

835664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1832 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 835664 is about 914.1465965588. The cubic root of 835664 is about 94.1912508797.

The spelling of 835664 in words is "eight hundred thirty-five thousand, six hundred sixty-four".