84216804 has 48 divisors (see below), whose sum is σ = 225042048. Its totient is φ = 24012288.

The previous prime is 84216763. The next prime is 84216851. The reversal of 84216804 is 40861248.

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 15 ways as a sum of consecutive naturals, for example, 64284 + ... + 65580.

It is an arithmetic number, because the mean of its divisors is an integer number (4688376).

Almost surely, 2^84216804 is an apocalyptic number.

84216804 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84216804 is an abundant number, since it is smaller than the sum of its proper divisors (140825244).

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

84216804 is a wasteful number, since it uses less digits than its factorization.

84216804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 84216804 is about 9176.9713958364. The cubic root of 84216804 is about 438.3283749224.

It can be divided in two parts, 8421 and 6804, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 84216804 in words is "eighty-four million, two hundred sixteen thousand, eight hundred four".