3661579 has 8 divisors (see below), whose sum is σ = 3967920. Its totient is φ = 3365376.

The previous prime is 3661573. The next prime is 3661583. The reversal of 3661579 is 9751663.

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 3661579 - 2¹¹ = 3659531 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3661573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (495990).

Almost surely, 2^3661579 is an apocalyptic number.

3661579 is a deficient number, since it is larger than the sum of its proper divisors (306341).

3661579 is a wasteful number, since it uses less digits than its factorization.

3661579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069.

The product of its digits is 34020, while the sum is 37.

The square root of 3661579 is about 1913.5252807319. The cubic root of 3661579 is about 154.1308131217.

The spelling of 3661579 in words is "three million, six hundred sixty-one thousand, five hundred seventy-nine".