3365661 has 16 divisors (see below), whose sum is σ = 4867520. Its totient is φ = 2056320.

The previous prime is 3365651. The next prime is 3365671. The reversal of 3365661 is 1665633.

It is an interprime number because it is at equal distance from previous prime (3365651) and next prime (3365671).

It is not a de Polignac number, because 3365661 - 2⁵ = 3365629 is a prime.

It is a super-2 number, since 2×3365661² = 22655347933842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3365651) 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 15 ways as a sum of consecutive naturals, for example, 8025 + ... + 8433.

It is an arithmetic number, because the mean of its divisors is an integer number (304220).

Almost surely, 2^3365661 is an apocalyptic number.

It is an amenable number.

3365661 is a deficient number, since it is larger than the sum of its proper divisors (1501859).

3365661 is a wasteful number, since it uses less digits than its factorization.

3365661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 9720, while the sum is 30.

The square root of 3365661 is about 1834.5737924652. The cubic root of 3365661 is about 149.8615166328.

The spelling of 3365661 in words is "three million, three hundred sixty-five thousand, six hundred sixty-one".