84808004 has 6 divisors (see below), whose sum is σ = 148414014. Its totient is φ = 42404000.

The previous prime is 84807991. The next prime is 84808007. The reversal of 84808004 is 40080848.

It can be written as a sum of positive squares in only one way, i.e., 84088900 + 719104 = 9170^2 + 848^2 .

It is not an unprimeable number, because it can be changed into a prime (84808007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600997 + ... + 10601004.

It is an arithmetic number, because the mean of its divisors is an integer number (24735669).

Almost surely, 2^84808004 is an apocalyptic number.

It is an amenable number.

84808004 is a deficient number, since it is larger than the sum of its proper divisors (63606010).

84808004 is a wasteful number, since it uses less digits than its factorization.

84808004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202005 (or 21202003 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 84808004 is about 9209.1261257516. The cubic root of 84808004 is about 439.3516691341.

The spelling of 84808004 in words is "eighty-four million, eight hundred eight thousand, four".