3549665 has 8 divisors (see below), whose sum is σ = 4868160. Its totient is φ = 2434032.

The previous prime is 3549649. The next prime is 3549673. The reversal of 3549665 is 5669453.

3549665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3549665 - 2⁴ = 3549649 is a prime.

It is a super-2 number, since 2×3549665² = 25200243224450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50675 + ... + 50744.

It is an arithmetic number, because the mean of its divisors is an integer number (608520).

Almost surely, 2^3549665 is an apocalyptic number.

3549665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3549665 is a deficient number, since it is larger than the sum of its proper divisors (1318495).

3549665 is a wasteful number, since it uses less digits than its factorization.

3549665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101431.

The product of its digits is 97200, while the sum is 38.

The square root of 3549665 is about 1884.0554662748. The cubic root of 3549665 is about 152.5442315485.

The spelling of 3549665 in words is "three million, five hundred forty-nine thousand, six hundred sixty-five".