3659618 has 8 divisors (see below), whose sum is σ = 5538348. Its totient is φ = 1813504.

The previous prime is 3659611. The next prime is 3659627. The reversal of 3659618 is 8169563.

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 49 = 1913^2 + 7^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3659611) 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, 7871 + ... + 8322.

Almost surely, 2^3659618 is an apocalyptic number.

3659618 is a deficient number, since it is larger than the sum of its proper divisors (1878730).

3659618 is a wasteful number, since it uses less digits than its factorization.

3659618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308.

The product of its digits is 38880, while the sum is 38.

The square root of 3659618 is about 1913.0128070664. The cubic root of 3659618 is about 154.1032927088.

The spelling of 3659618 in words is "three million, six hundred fifty-nine thousand, six hundred eighteen".