2981886 has 16 divisors (see below), whose sum is σ = 6076944. Its totient is φ = 975104.

The previous prime is 2981873. The next prime is 2981887. The reversal of 2981886 is 6881892.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981887) 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, 4371 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (379809).

2^2981886 is an apocalyptic number.

2981886 is an abundant number, since it is smaller than the sum of its proper divisors (3095058).

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

2981886 is a wasteful number, since it uses less digits than its factorization.

2981886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435.

The product of its digits is 55296, while the sum is 42.

The square root of 2981886 is about 1726.8138289926. The cubic root of 2981886 is about 143.9340940692.

The spelling of 2981886 in words is "two million, nine hundred eighty-one thousand, eight hundred eighty-six".