8243748 has 48 divisors (see below), whose sum is σ = 21960960. Its totient is φ = 2672352.

The previous prime is 8243731. The next prime is 8243749. The reversal of 8243748 is 8473428.

8243748 = T₇₂ + T₇₃ + ... + T₃₆₇.

8243748 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8243749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2965 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (457520).

Almost surely, 2^8243748 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 8243748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10980480).

8243748 is an abundant number, since it is smaller than the sum of its proper divisors (13717212).

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

8243748 is a wasteful number, since it uses less digits than its factorization.

8243748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2105 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 8243748 is about 2871.1927834961. The cubic root of 8243748 is about 202.0109460461.

The spelling of 8243748 in words is "eight million, two hundred forty-three thousand, seven hundred forty-eight".