2981684 has 12 divisors (see below), whose sum is σ = 5345508. Its totient is φ = 1454400.

The previous prime is 2981677. The next prime is 2981707. The reversal of 2981684 is 4861892.

2981684 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1488400 + 1493284 = 1220^2 + 1222^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8927 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (445459).

2^2981684 is an apocalyptic number.

It is an amenable number.

2981684 is a deficient number, since it is larger than the sum of its proper divisors (2363824).

2981684 is a wasteful number, since it uses less digits than its factorization.

2981684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18226 (or 18224 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 2981684 is about 1726.7553387785. The cubic root of 2981684 is about 143.9308438506.

The spelling of 2981684 in words is "two million, nine hundred eighty-one thousand, six hundred eighty-four".