8731444 has 12 divisors (see below), whose sum is σ = 15944544. Its totient is φ = 4175864.

The previous prime is 8731433. The next prime is 8731447. The reversal of 8731444 is 4441378.

It is a super-2 number, since 2×8731444² = 152476228650272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8731447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47362 + ... + 47545.

It is an arithmetic number, because the mean of its divisors is an integer number (1328712).

Almost surely, 2^8731444 is an apocalyptic number.

It is an amenable number.

8731444 is a deficient number, since it is larger than the sum of its proper divisors (7213100).

8731444 is a wasteful number, since it uses less digits than its factorization.

8731444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94934 (or 94932 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 8731444 is about 2954.9016904121. The cubic root of 8731444 is about 205.9184960508.

The spelling of 8731444 in words is "eight million, seven hundred thirty-one thousand, four hundred forty-four".