4431969 has 8 divisors (see below), whose sum is σ = 6565920. Its totient is φ = 2954628.

The previous prime is 4431961. The next prime is 4431989. The reversal of 4431969 is 9691344.

It is not a de Polignac number, because 4431969 - 2³ = 4431961 is a prime.

It is a super-2 number, since 2×4431969² = 39284698433922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4431961) 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, 82047 + ... + 82100.

It is an arithmetic number, because the mean of its divisors is an integer number (820740).

Almost surely, 2^4431969 is an apocalyptic number.

It is an amenable number.

4431969 is a deficient number, since it is larger than the sum of its proper divisors (2133951).

4431969 is a wasteful number, since it uses less digits than its factorization.

4431969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164156 (or 164150 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 4431969 is about 2105.2242160872. The cubic root of 4431969 is about 164.2601586678.

The spelling of 4431969 in words is "four million, four hundred thirty-one thousand, nine hundred sixty-nine".