2981447 has 8 divisors (see below), whose sum is σ = 3465600. Its totient is φ = 2511864.

The previous prime is 2981437. The next prime is 2981449. The reversal of 2981447 is 7441892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2981447 - 2⁴ = 2981431 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3197 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (433200).

2^2981447 is an apocalyptic number.

2981447 is a deficient number, since it is larger than the sum of its proper divisors (484153).

2981447 is an equidigital number, since it uses as much as digits as its factorization.

2981447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285.

The product of its digits is 16128, while the sum is 35.

The square root of 2981447 is about 1726.6867115954. The cubic root of 2981447 is about 143.9270302882.

The spelling of 2981447 in words is "two million, nine hundred eighty-one thousand, four hundred forty-seven".