84489804 has 60 divisors (see below), whose sum is σ = 252433104. Its totient is φ = 24139296.

The previous prime is 84489799. The next prime is 84489841. The reversal of 84489804 is 40898448.

It is a self number, because there is not a number n which added to its sum of digits gives 84489804.

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 19 ways as a sum of consecutive naturals, for example, 16359 + ... + 20894.

Almost surely, 2^84489804 is an apocalyptic number.

84489804 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84489804 is an abundant number, since it is smaller than the sum of its proper divisors (167943300).

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

84489804 is a wasteful number, since it uses less digits than its factorization.

84489804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37276 (or 37265 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 84489804 is about 9191.8335494068. The cubic root of 84489804 is about 438.8014973523.

The spelling of 84489804 in words is "eighty-four million, four hundred eighty-nine thousand, eight hundred four".