3284985 has 32 divisors (see below), whose sum is σ = 5879808. Its totient is φ = 1552320.

The previous prime is 3284959. The next prime is 3284989. The reversal of 3284985 is 5894823.

It is a happy number.

It is not a de Polignac number, because 3284985 - 2⁶ = 3284921 is a prime.

It is a super-2 number, since 2×3284985² = 21582252900450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 2¹¹ + 8 + 4¹⁰ + 9⁵ + 8⁷ + 5⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3284989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6864 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (183744).

Almost surely, 2^3284985 is an apocalyptic number.

It is an amenable number.

3284985 is a deficient number, since it is larger than the sum of its proper divisors (2594823).

3284985 is a wasteful number, since it uses less digits than its factorization.

3284985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its digits is 69120, while the sum is 39.

The square root of 3284985 is about 1812.4527580050. The cubic root of 3284985 is about 148.6544097849.

The spelling of 3284985 in words is "three million, two hundred eighty-four thousand, nine hundred eighty-five".