8134784 has 48 divisors (see below), whose sum is σ = 18866430. Its totient is φ = 3483648.

The previous prime is 8134781. The next prime is 8134799. The reversal of 8134784 is 4874318.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 3841600 = 2072^2 + 1960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8134781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5624 + ... + 6920.

Almost surely, 2^8134784 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 8134784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9433215).

8134784 is an abundant number, since it is smaller than the sum of its proper divisors (10731646).

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

8134784 is a wasteful number, since it uses less digits than its factorization.

8134784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1306 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 8134784 is about 2852.1542735273. The cubic root of 8134784 is about 201.1169504956.

The spelling of 8134784 in words is "eight million, one hundred thirty-four thousand, seven hundred eighty-four".