84684648 has 32 divisors (see below), whose sum is σ = 212398560. Its totient is φ = 28136640.

The previous prime is 84684641. The next prime is 84684679. The reversal of 84684648 is 84648648.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 84684597 and 84684606.

It is not an unprimeable number, because it can be changed into a prime (84684641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (6637455).

Almost surely, 2^84684648 is an apocalyptic number.

It is an amenable number.

84684648 is an abundant number, since it is smaller than the sum of its proper divisors (127713912).

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

84684648 is a wasteful number, since it uses less digits than its factorization.

84684648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457 (or 11453 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 84684648 is about 9202.4262018231. The cubic root of 84684648 is about 439.1385486732.

The spelling of 84684648 in words is "eighty-four million, six hundred eighty-four thousand, six hundred forty-eight".