3285655 has 4 divisors (see below), whose sum is σ = 3942792. Its totient is φ = 2628520.

The previous prime is 3285647. The next prime is 3285677. The reversal of 3285655 is 5565823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5565823 = 61 ⋅91243.

It is not a de Polignac number, because 3285655 - 2³ = 3285647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3285655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328561 + ... + 328570.

It is an arithmetic number, because the mean of its divisors is an integer number (985698).

Almost surely, 2^3285655 is an apocalyptic number.

3285655 is a deficient number, since it is larger than the sum of its proper divisors (657137).

3285655 is an equidigital number, since it uses as much as digits as its factorization.

3285655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657136.

The product of its digits is 36000, while the sum is 34.

The square root of 3285655 is about 1812.6375809852. The cubic root of 3285655 is about 148.6645155321.

The spelling of 3285655 in words is "three million, two hundred eighty-five thousand, six hundred fifty-five".