84650320 has 40 divisors (see below), whose sum is σ = 207174240. Its totient is φ = 32077440.

The previous prime is 84650311. The next prime is 84650323. The reversal of 84650320 is 2305648.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×84650320² = 14331353352204800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84650323) 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, 26326 + ... + 29365.

It is an arithmetic number, because the mean of its divisors is an integer number (5179356).

Almost surely, 2^84650320 is an apocalyptic number.

84650320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84650320 is an abundant number, since it is smaller than the sum of its proper divisors (122523920).

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

84650320 is a wasteful number, since it uses less digits than its factorization.

84650320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55723 (or 55717 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 84650320 is about 9200.5608524698. The cubic root of 84650320 is about 439.0792038536.

Adding to 84650320 its reverse (2305648), we get a palindrome (86955968).

The spelling of 84650320 in words is "eighty-four million, six hundred fifty thousand, three hundred twenty".