2981043 has 40 divisors (see below), whose sum is σ = 5082000. Its totient is φ = 1726272.

The previous prime is 2981039. The next prime is 2981057. The reversal of 2981043 is 3401892.

It is not a de Polignac number, because 2981043 - 2² = 2981039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2981043 is a lucky number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 2980998 and 2981016.

It is not an unprimeable number, because it can be changed into a prime (2981023) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19933 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (127050).

2^2981043 is an apocalyptic number.

2981043 is a deficient number, since it is larger than the sum of its proper divisors (2100957).

2981043 is a wasteful number, since it uses less digits than its factorization.

2981043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2981043 is about 1726.5697205731. The cubic root of 2981043 is about 143.9205290662.

The spelling of 2981043 in words is "two million, nine hundred eighty-one thousand, forty-three".