3679645 has 8 divisors (see below), whose sum is σ = 4429656. Its totient is φ = 2934336.

The previous prime is 3679603. The next prime is 3679649. The reversal of 3679645 is 5469763.

3679645 is digitally balanced in base 2, 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 133956 + 3545689 = 366^2 + 1883^2 .

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 3679645 - 2¹³ = 3671453 is a prime.

It is a Duffinian number.

3679645 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3679598 and 3679607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3679649) 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, 879 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (553707).

Almost surely, 2^3679645 is an apocalyptic number.

It is an amenable number.

3679645 is a deficient number, since it is larger than the sum of its proper divisors (750011).

3679645 is a wasteful number, since it uses less digits than its factorization.

3679645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 136080, while the sum is 40.

The square root of 3679645 is about 1918.2400788223. The cubic root of 3679645 is about 154.3838879310.

The spelling of 3679645 in words is "three million, six hundred seventy-nine thousand, six hundred forty-five".