4431169 has 8 divisors (see below), whose sum is σ = 4713768. Its totient is φ = 4151040.

The previous prime is 4431151. The next prime is 4431187. The reversal of 4431169 is 9611344.

It is an interprime number because it is at equal distance from previous prime (4431151) and next prime (4431187).

It can be written as a sum of positive squares in 4 ways, for example, as 744769 + 3686400 = 863^2 + 1920^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431169 is a prime.

It is a super-2 number, since 2×4431169² = 39270517413122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431149) 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, 4239 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (589221).

Almost surely, 2^4431169 is an apocalyptic number.

It is an amenable number.

4431169 is a deficient number, since it is larger than the sum of its proper divisors (282599).

4431169 is a wasteful number, since it uses less digits than its factorization.

4431169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235.

The product of its digits is 2592, while the sum is 28.

The square root of 4431169 is about 2105.0342039976. The cubic root of 4431169 is about 164.2502747212.

It can be divided in two parts, 44 and 31169, that added together give a palindrome (31213).

The spelling of 4431169 in words is "four million, four hundred thirty-one thousand, one hundred sixty-nine".