3695645 has 8 divisors (see below), whose sum is σ = 4476120. Its totient is φ = 2928960.

The previous prime is 3695639. The next prime is 3695669. The reversal of 3695645 is 5465963.

It can be written as a sum of positive squares in 4 ways, for example, as 534361 + 3161284 = 731^2 + 1778^2 .

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

It is not a de Polignac number, because 3695645 - 2⁶ = 3695581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3695599 and 3695608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2846 + ... + 3935.

It is an arithmetic number, because the mean of its divisors is an integer number (559515).

Almost surely, 2^3695645 is an apocalyptic number.

It is an amenable number.

3695645 is a deficient number, since it is larger than the sum of its proper divisors (780475).

3695645 is a wasteful number, since it uses less digits than its factorization.

3695645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895.

The product of its digits is 97200, while the sum is 38.

The square root of 3695645 is about 1922.4060445182. The cubic root of 3695645 is about 154.6073307331.

The spelling of 3695645 in words is "three million, six hundred ninety-five thousand, six hundred forty-five".