84489936 has 40 divisors (see below), whose sum is σ = 219729984. Its totient is φ = 27974400.

The previous prime is 84489917. The next prime is 84489953. The reversal of 84489936 is 63998448.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 13076.

Almost surely, 2^84489936 is an apocalyptic number.

It is an amenable number.

84489936 is an abundant number, since it is smaller than the sum of its proper divisors (135240048).

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

84489936 is a wasteful number, since it uses less digits than its factorization.

84489936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11819 (or 11813 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 84489936 is about 9191.8407296907. The cubic root of 84489936 is about 438.8017258681.

The spelling of 84489936 in words is "eighty-four million, four hundred eighty-nine thousand, nine hundred thirty-six".