6835645 has 8 divisors (see below), whose sum is σ = 8295480. Its totient is φ = 5406720.

The previous prime is 6835637. The next prime is 6835657. The reversal of 6835645 is 5465386.

6835645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 580644 + 6255001 = 762^2 + 2501^2 .

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

It is not a de Polignac number, because 6835645 - 2³ = 6835637 is a prime.

It is an Ulam number.

It is a congruent 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, 7236 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (1036935).

Almost surely, 2^6835645 is an apocalyptic number.

It is an amenable number.

6835645 is a deficient number, since it is larger than the sum of its proper divisors (1459835).

6835645 is a wasteful number, since it uses less digits than its factorization.

6835645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15455.

The product of its digits is 86400, while the sum is 37.

The square root of 6835645 is about 2614.5066456217. The cubic root of 6835645 is about 189.7841038015.

It can be divided in two parts, 683 and 5645, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 6835645 in words is "six million, eight hundred thirty-five thousand, six hundred forty-five".