84216484 has 36 divisors (see below), whose sum is σ = 163021824. Its totient is φ = 38038000.

The previous prime is 84216481. The next prime is 84216497. The reversal of 84216484 is 48461248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84216481) 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, 91989 + ... + 92899.

It is an arithmetic number, because the mean of its divisors is an integer number (4528384).

Almost surely, 2^84216484 is an apocalyptic number.

It is an amenable number.

84216484 is a deficient number, since it is larger than the sum of its proper divisors (78805340).

84216484 is a wasteful number, since it uses less digits than its factorization.

84216484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1115 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 84216484 is about 9176.9539608739. The cubic root of 84216484 is about 438.3278197472.

It can be divided in two parts, 842164 and 84, that added together give a palindrome (842248).

The spelling of 84216484 in words is "eighty-four million, two hundred sixteen thousand, four hundred eighty-four".