3281418 has 32 divisors (see below), whose sum is σ = 8334720. Its totient is φ = 937440.

The previous prime is 3281417. The next prime is 3281431. The reversal of 3281418 is 8141823.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3281391 and 3281400.

It is not an unprimeable number, because it can be changed into a prime (3281417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3963 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (260460).

Almost surely, 2^3281418 is an apocalyptic number.

3281418 is an abundant number, since it is smaller than the sum of its proper divisors (5053302).

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

3281418 is a wasteful number, since it uses less digits than its factorization.

3281418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8699 (or 8693 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3281418 is about 1811.4684650857. The cubic root of 3281418 is about 148.6005848492.

The spelling of 3281418 in words is "three million, two hundred eighty-one thousand, four hundred eighteen".