2169243 has 6 divisors (see below), whose sum is σ = 3133364. Its totient is φ = 1446156.

The previous prime is 2169227. The next prime is 2169281. The reversal of 2169243 is 3429612.

It is not a de Polignac number, because 2169243 - 2⁴ = 2169227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2169203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120505 + ... + 120522.

2^2169243 is an apocalyptic number.

2169243 is a deficient number, since it is larger than the sum of its proper divisors (964121).

2169243 is a wasteful number, since it uses less digits than its factorization.

2169243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241033 (or 241030 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2169243 is about 1472.8350213109. The cubic root of 2169243 is about 129.4502027247.

The spelling of 2169243 in words is "two million, one hundred sixty-nine thousand, two hundred forty-three".