3555385 has 8 divisors (see below), whose sum is σ = 4336776. Its totient is φ = 2797440.

The previous prime is 3555379. The next prime is 3555403. The reversal of 3555385 is 5835553.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 3485689 = 264^2 + 1867^2 .

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

It is not a de Polignac number, because 3555385 - 2⁵ = 3555353 is a prime.

It is a Duffinian number.

3555385 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3555385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5524 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (542097).

Almost surely, 2^3555385 is an apocalyptic number.

It is an amenable number.

3555385 is a deficient number, since it is larger than the sum of its proper divisors (781391).

3555385 is a wasteful number, since it uses less digits than its factorization.

3555385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723.

The product of its digits is 45000, while the sum is 34.

The square root of 3555385 is about 1885.5728572505. The cubic root of 3555385 is about 152.6261251676.

The spelling of 3555385 in words is "three million, five hundred fifty-five thousand, three hundred eighty-five".