3381281748 has 72 divisors (see below), whose sum is σ = 9290762208. Its totient is φ = 1030655808.

The previous prime is 3381281747. The next prime is 3381281779. The reversal of 3381281748 is 8471821833.

It is a super-2 number, since 2×3381281748² = 22866132518715871008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381281747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16315 + ... + 83837.

It is an arithmetic number, because the mean of its divisors is an integer number (129038364).

Almost surely, 2^3381281748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3381281748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4645381104).

3381281748 is an abundant number, since it is smaller than the sum of its proper divisors (5909480460).

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

3381281748 is a wasteful number, since it uses less digits than its factorization.

3381281748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67653 (or 67648 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 3381281748 is about 58148.7897380504. The cubic root of 3381281748 is about 1500.9300525490.

The spelling of 3381281748 in words is "three billion, three hundred eighty-one million, two hundred eighty-one thousand, seven hundred forty-eight".