8784342 has 64 divisors (see below), whose sum is σ = 23639040. Its totient is φ = 2360448.

The previous prime is 8784337. The next prime is 8784343. The reversal of 8784342 is 2434878.

It is a junction number, because it is equal to n+sod(n) for n = 8784297 and 8784306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8784343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5743 + ... + 7109.

It is an arithmetic number, because the mean of its divisors is an integer number (369360).

Almost surely, 2^8784342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8784342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11819520).

8784342 is an abundant number, since it is smaller than the sum of its proper divisors (14854698).

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

8784342 is a wasteful number, since it uses less digits than its factorization.

8784342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1396 counting only the distinct ones).

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

The square root of 8784342 is about 2963.8390644568. The cubic root of 8784342 is about 206.3335000748. Note that the first 3 decimals are identical.

The spelling of 8784342 in words is "eight million, seven hundred eighty-four thousand, three hundred forty-two".