8245744 has 40 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 3671808.

The previous prime is 8245711. The next prime is 8245747. The reversal of 8245744 is 4475428.

It is a happy number.

It is a super-2 number, since 2×8245744² = 135984588227072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 8⁷ + 2⁷ + 4 + 5⁹ + 7 + 4⁵ + 4¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245747) 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, 5349 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^8245744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8245744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8905680).

8245744 is an abundant number, since it is smaller than the sum of its proper divisors (9565616).

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

8245744 is a wasteful number, since it uses less digits than its factorization.

8245744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1411 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 8245744 is about 2871.5403531903. The cubic root of 8245744 is about 202.0272485543.

The spelling of 8245744 in words is "eight million, two hundred forty-five thousand, seven hundred forty-four".