3285287 has 4 divisors (see below), whose sum is σ = 3391296. Its totient is φ = 3179280.

The previous prime is 3285283. The next prime is 3285299. The reversal of 3285287 is 7825823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3285287 - 2² = 3285283 is a prime.

It is a super-2 number, since 2×3285287² = 21586221344738, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 2¹⁸ + 8³ + 5⁹ + 2²⁰ + 8⁴ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285283) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52958 + ... + 53019.

It is an arithmetic number, because the mean of its divisors is an integer number (847824).

Almost surely, 2^3285287 is an apocalyptic number.

3285287 is a deficient number, since it is larger than the sum of its proper divisors (106009).

3285287 is a wasteful number, since it uses less digits than its factorization.

3285287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106008.

The product of its digits is 26880, while the sum is 35.

The square root of 3285287 is about 1812.5360686066. The cubic root of 3285287 is about 148.6589650828.

The spelling of 3285287 in words is "three million, two hundred eighty-five thousand, two hundred eighty-seven".