3659345 has 4 divisors (see below), whose sum is σ = 4391220. Its totient is φ = 2927472.

The previous prime is 3659321. The next prime is 3659347. The reversal of 3659345 is 5439563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 529984 + 3129361 = 728^2 + 1769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3659345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3659347) 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 3 ways as a sum of consecutive naturals, for example, 365930 + ... + 365939.

It is an arithmetic number, because the mean of its divisors is an integer number (1097805).

Almost surely, 2^3659345 is an apocalyptic number.

It is an amenable number.

3659345 is a deficient number, since it is larger than the sum of its proper divisors (731875).

3659345 is an equidigital number, since it uses as much as digits as its factorization.

3659345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731874.

The product of its digits is 48600, while the sum is 35.

The square root of 3659345 is about 1912.9414523189. The cubic root of 3659345 is about 154.0994606836.

It can be divided in two parts, 3659 and 345, that added together give a palindrome (4004).

The spelling of 3659345 in words is "three million, six hundred fifty-nine thousand, three hundred forty-five".