8481744 has 30 divisors (see below), whose sum is σ = 23737506. Its totient is φ = 2827200.

The previous prime is 8481743. The next prime is 8481773. The reversal of 8481744 is 4471848.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 3283344 = 2280^2 + 1812^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8481699 and 8481708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29307 + ... + 29594.

Almost surely, 2^8481744 is an apocalyptic number.

It is an amenable number.

8481744 is an abundant number, since it is smaller than the sum of its proper divisors (15255762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8481744 is a wasteful number, since it uses less digits than its factorization.

8481744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58915 (or 58906 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 8481744 is about 2912.3433863472. The cubic root of 8481744 is about 203.9365431234.

The spelling of 8481744 in words is "eight million, four hundred eighty-one thousand, seven hundred forty-four".