2981916 has 36 divisors (see below), whose sum is σ = 8615152. Its totient is φ = 851904.

The previous prime is 2981911. The next prime is 2981933. The reversal of 2981916 is 6191892.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5665 + ... + 6168.

2^2981916 is an apocalyptic number.

It is an amenable number.

2981916 is an abundant number, since it is smaller than the sum of its proper divisors (5633236).

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

2981916 is a wasteful number, since it uses less digits than its factorization.

2981916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850 (or 11845 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2981916 is about 1726.8225154891. The cubic root of 2981916 is about 143.9345767624.

The spelling of 2981916 in words is "two million, nine hundred eighty-one thousand, nine hundred sixteen".