2981169 has 6 divisors (see below), whose sum is σ = 4306146. Its totient is φ = 1987440.

The previous prime is 2981159. The next prime is 2981179. The reversal of 2981169 is 9611892.

It is an interprime number because it is at equal distance from previous prime (2981159) and next prime (2981179).

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 1238769 = 1320^2 + 1113^2 .

It is not a de Polignac number, because 2981169 - 2¹⁷ = 2850097 is a prime.

It is a super-2 number, since 2×2981169² = 17774737213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2981149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165612 + ... + 165629.

It is an arithmetic number, because the mean of its divisors is an integer number (717691).

2^2981169 is an apocalyptic number.

It is an amenable number.

2981169 is a deficient number, since it is larger than the sum of its proper divisors (1324977).

2981169 is a wasteful number, since it uses less digits than its factorization.

2981169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331247 (or 331244 counting only the distinct ones).

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

The square root of 2981169 is about 1726.6062087228. The cubic root of 2981169 is about 143.9225567381.

It can be divided in two parts, 298116 and 9, that multiplied together give a square (2683044 = 1638²).

The spelling of 2981169 in words is "two million, nine hundred eighty-one thousand, one hundred sixty-nine".