84499236 has 18 divisors (see below), whose sum is σ = 213595382. Its totient is φ = 28166400.

The previous prime is 84499201. The next prime is 84499249. The reversal of 84499236 is 63299448.

It can be written as a sum of positive squares in only one way, i.e., 70660836 + 13838400 = 8406^2 + 3720^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 84499191 and 84499200.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1173565 + ... + 1173636.

Almost surely, 2^84499236 is an apocalyptic number.

It is an amenable number.

84499236 is an abundant number, since it is smaller than the sum of its proper divisors (129096146).

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

84499236 is a wasteful number, since it uses less digits than its factorization.

84499236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347211 (or 2347206 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 84499236 is about 9192.3465992096. The cubic root of 84499236 is about 438.8178252464.

The spelling of 84499236 in words is "eighty-four million, four hundred ninety-nine thousand, two hundred thirty-six".