4489431 has 4 divisors (see below), whose sum is σ = 5985912. Its totient is φ = 2992952.

The previous prime is 4489423. The next prime is 4489477. The reversal of 4489431 is 1349844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4489431 - 2³ = 4489423 is a prime.

It is a super-2 number, since 2×4489431² = 40309981407522, which contains 22 as substring.

It is a D-number.

4489431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4489392 and 4489401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748236 + ... + 748241.

It is an arithmetic number, because the mean of its divisors is an integer number (1496478).

Almost surely, 2^4489431 is an apocalyptic number.

4489431 is a deficient number, since it is larger than the sum of its proper divisors (1496481).

4489431 is a wasteful number, since it uses less digits than its factorization.

4489431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496480.

The product of its digits is 13824, while the sum is 33.

The square root of 4489431 is about 2118.8277419366. The cubic root of 4489431 is about 164.9670090147.

The spelling of 4489431 in words is "four million, four hundred eighty-nine thousand, four hundred thirty-one".