2981116 has 24 divisors (see below), whose sum is σ = 5414976. Its totient is φ = 1435200.

The previous prime is 2981089. The next prime is 2981123. The reversal of 2981116 is 6111892.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18910 + ... + 19066.

It is an arithmetic number, because the mean of its divisors is an integer number (225624).

2^2981116 is an apocalyptic number.

It is an amenable number.

2981116 is a deficient number, since it is larger than the sum of its proper divisors (2433860).

2981116 is a wasteful number, since it uses less digits than its factorization.

2981116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 307 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 2981116 is about 1726.5908606268. The cubic root of 2981116 is about 143.9217038354.

The spelling of 2981116 in words is "two million, nine hundred eighty-one thousand, one hundred sixteen".