2981448 has 80 divisors (see below), whose sum is σ = 8624880. Its totient is φ = 961632.

The previous prime is 2981437. The next prime is 2981449. The reversal of 2981448 is 8441892.

2981448 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2981449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27811 + ... + 27917.

It is an arithmetic number, because the mean of its divisors is an integer number (107811).

2^2981448 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 2981448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312440).

2981448 is an abundant number, since it is smaller than the sum of its proper divisors (5643432).

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

2981448 is a wasteful number, since it uses less digits than its factorization.

2981448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 155 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2981448 is about 1726.6870011673. The cubic root of 2981448 is about 143.9270463796.

The spelling of 2981448 in words is "two million, nine hundred eighty-one thousand, four hundred forty-eight".