3240828 has 18 divisors (see below), whose sum is σ = 8192184. Its totient is φ = 1080264.

The previous prime is 3240767. The next prime is 3240841. The reversal of 3240828 is 8280423.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3240828² = 21005932251168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44976 + ... + 45047.

Almost surely, 2^3240828 is an apocalyptic number.

It is an amenable number.

3240828 is an abundant number, since it is smaller than the sum of its proper divisors (4951356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3240828 is a wasteful number, since it uses less digits than its factorization.

3240828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90033 (or 90028 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 3240828 is about 1800.2299853074. The cubic root of 3240828 is about 147.9853284701.

The spelling of 3240828 in words is "three million, two hundred forty thousand, eight hundred twenty-eight".