2981973 has 12 divisors (see below), whose sum is σ = 4158560. Its totient is φ = 1900536.

The previous prime is 2981963. The next prime is 2981981. The reversal of 2981973 is 3791892.

It is not a de Polignac number, because 2981973 - 2¹⁰ = 2980949 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 9 + 8⁷ + 1 + 9⁵ + 7⁷ + 3⁷ .

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981903) 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, 648 + ... + 2526.

2^2981973 is an apocalyptic number.

2981973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2981973 is a deficient number, since it is larger than the sum of its proper divisors (1176587).

2981973 is a wasteful number, since it uses less digits than its factorization.

2981973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1905 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 2981973 is about 1726.8390197120. The cubic root of 2981973 is about 143.9354938705.

It can be divided in two parts, 29819 and 73, that added together give a palindrome (29892).

The spelling of 2981973 in words is "two million, nine hundred eighty-one thousand, nine hundred seventy-three".