4423869 has 8 divisors (see below), whose sum is σ = 6553920. Its totient is φ = 2949228.

The previous prime is 4423849. The next prime is 4423871. The reversal of 4423869 is 9683244.

It is a happy number.

It is not a de Polignac number, because 4423869 - 2⁹ = 4423357 is a prime.

It is a super-2 number, since 2×4423869² = 39141233858322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81897 + ... + 81950.

It is an arithmetic number, because the mean of its divisors is an integer number (819240).

Almost surely, 2^4423869 is an apocalyptic number.

It is an amenable number.

4423869 is a deficient number, since it is larger than the sum of its proper divisors (2130051).

4423869 is a wasteful number, since it uses less digits than its factorization.

4423869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163856 (or 163850 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4423869 is about 2103.2995507060. The cubic root of 4423869 is about 164.1600287054.

The spelling of 4423869 in words is "four million, four hundred twenty-three thousand, eight hundred sixty-nine".