3646109 has 8 divisors (see below), whose sum is σ = 3890880. Its totient is φ = 3404736.

The previous prime is 3646103. The next prime is 3646117. The reversal of 3646109 is 9016463.

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 3646109 - 2²⁰ = 2597533 is a prime.

It is a super-2 number, since 2×3646109² = 26588221679762, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646103) 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 7 ways as a sum of consecutive naturals, for example, 1592 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (486360).

Almost surely, 2^3646109 is an apocalyptic number.

It is an amenable number.

3646109 is a deficient number, since it is larger than the sum of its proper divisors (244771).

3646109 is a wasteful number, since it uses less digits than its factorization.

3646109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3646109 is about 1909.4787246785. The cubic root of 3646109 is about 153.9134415469.

The spelling of 3646109 in words is "three million, six hundred forty-six thousand, one hundred nine".