2169249 has 12 divisors (see below), whose sum is σ = 3054096. Its totient is φ = 1369368.

The previous prime is 2169227. The next prime is 2169281. The reversal of 2169249 is 9429612.

It is not a de Polignac number, because 2169249 - 2⁹ = 2168737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2169289) 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, 82 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (254508).

2^2169249 is an apocalyptic number.

It is an amenable number.

2169249 is a deficient number, since it is larger than the sum of its proper divisors (884847).

2169249 is a wasteful number, since it uses less digits than its factorization.

2169249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2025 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 2169249 is about 1472.8370581975. The cubic root of 2169249 is about 129.4503220752.

The spelling of 2169249 in words is "two million, one hundred sixty-nine thousand, two hundred forty-nine".