8944431 has 16 divisors (see below), whose sum is σ = 12751200. Its totient is φ = 5557248.

The previous prime is 8944427. The next prime is 8944469. The reversal of 8944431 is 1344498.

It is a happy number.

It is not a de Polignac number, because 8944431 - 2² = 8944427 is a prime.

It is a super-2 number, since 2×8944431² = 160005691827522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8944392 and 8944401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8944531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (796950).

Almost surely, 2^8944431 is an apocalyptic number.

8944431 is the 1892-nd centered pentagonal number.

8944431 is a deficient number, since it is larger than the sum of its proper divisors (3806769).

8944431 is a wasteful number, since it uses less digits than its factorization.

8944431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

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

The square root of 8944431 is about 2990.7241597981. The cubic root of 8944431 is about 207.5793938212.

The spelling of 8944431 in words is "eight million, nine hundred forty-four thousand, four hundred thirty-one".