8684838 has 24 divisors (see below), whose sum is σ = 18872568. Its totient is φ = 2886432.

The previous prime is 8684831. The next prime is 8684861. The reversal of 8684838 is 8384868.

It is a super-2 number, since 2×8684838² = 150852822172488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8684793 and 8684802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8684831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9706 + ... + 10562.

It is an arithmetic number, because the mean of its divisors is an integer number (786357).

Almost surely, 2^8684838 is an apocalyptic number.

8684838 is an abundant number, since it is smaller than the sum of its proper divisors (10187730).

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

8684838 is a wasteful number, since it uses less digits than its factorization.

8684838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1425 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 8684838 is about 2947.0049202538. The cubic root of 8684838 is about 205.5514638365.

The spelling of 8684838 in words is "eight million, six hundred eighty-four thousand, eight hundred thirty-eight".