3281120 has 24 divisors (see below), whose sum is σ = 7752024. Its totient is φ = 1312384.

The previous prime is 3281101. The next prime is 3281137. The reversal of 3281120 is 211823.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10094 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (323001).

Almost surely, 2^3281120 is an apocalyptic number.

It is an amenable number.

3281120 is an abundant number, since it is smaller than the sum of its proper divisors (4470904).

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

3281120 is a wasteful number, since it uses less digits than its factorization.

3281120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20522 (or 20514 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3281120 is about 1811.3862095092. The cubic root of 3281120 is about 148.5960863554.

Adding to 3281120 its reverse (211823), we get a palindrome (3492943).

The spelling of 3281120 in words is "three million, two hundred eighty-one thousand, one hundred twenty".