84636960 has 48 divisors (see below), whose sum is σ = 266607936. Its totient is φ = 22569728.

The previous prime is 84636911. The next prime is 84636967. The reversal of 84636960 is 6963648.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (84636967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87684 + ... + 88643.

It is an arithmetic number, because the mean of its divisors is an integer number (5554332).

Almost surely, 2^84636960 is an apocalyptic number.

84636960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84636960 is an abundant number, since it is smaller than the sum of its proper divisors (181970976).

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

84636960 is a wasteful number, since it uses less digits than its factorization.

84636960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176345 (or 176337 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 84636960 is about 9199.8347811251. The cubic root of 84636960 is about 439.0561033038.

The spelling of 84636960 in words is "eighty-four million, six hundred thirty-six thousand, nine hundred sixty".