3281148 has 120 divisors (see below), whose sum is σ = 9960720. Its totient is φ = 933120.

The previous prime is 3281141. The next prime is 3281149. The reversal of 3281148 is 8411823.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281141) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80008 + ... + 80048.

It is an arithmetic number, because the mean of its divisors is an integer number (83006).

Almost surely, 2^3281148 is an apocalyptic number.

3281148 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3281148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4980360).

3281148 is an abundant number, since it is smaller than the sum of its proper divisors (6679572).

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

3281148 is a wasteful number, since it uses less digits than its factorization.

3281148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 78 counting only the distinct ones).

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

The square root of 3281148 is about 1811.3939383801. The cubic root of 3281148 is about 148.5965090443.

The spelling of 3281148 in words is "three million, two hundred eighty-one thousand, one hundred forty-eight".