2981736 has 24 divisors (see below), whose sum is σ = 8075730. Its totient is φ = 993888.

The previous prime is 2981711. The next prime is 2981753. The reversal of 2981736 is 6371892.

2981736 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 only one way, i.e., 2160900 + 820836 = 1470^2 + 906^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2981736.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20635 + ... + 20778.

2^2981736 is an apocalyptic number.

It is an amenable number.

2981736 is an abundant number, since it is smaller than the sum of its proper divisors (5093994).

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

2981736 is a wasteful number, since it uses less digits than its factorization.

2981736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41425 (or 41418 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2981736 is about 1726.7703958546. The cubic root of 2981736 is about 143.9316805546.

The spelling of 2981736 in words is "two million, nine hundred eighty-one thousand, seven hundred thirty-six".