8684839254 has 128 divisors (see below), whose sum is σ = 21940595712. Its totient is φ = 2230986240.

The previous prime is 8684839253. The next prime is 8684839277. The reversal of 8684839254 is 4529384868.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8684839194 and 8684839203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8684839253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3562524 + ... + 3564960.

It is an arithmetic number, because the mean of its divisors is an integer number (171410904).

Almost surely, 2^8684839254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8684839254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10970297856).

8684839254 is an abundant number, since it is smaller than the sum of its proper divisors (13255756458).

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

8684839254 is a wasteful number, since it uses less digits than its factorization.

8684839254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its digits is 13271040, while the sum is 57.

The square root of 8684839254 is about 93192.4849652589. The cubic root of 8684839254 is about 2055.5147372969.

The spelling of 8684839254 in words is "eight billion, six hundred eighty-four million, eight hundred thirty-nine thousand, two hundred fifty-four".