84213808 has 20 divisors (see below), whose sum is σ = 186473680. Its totient is φ = 36091584.

The previous prime is 84213803. The next prime is 84213821. The reversal of 84213808 is 80831248.

It is not an unprimeable number, because it can be changed into a prime (84213803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375843 + ... + 376066.

It is an arithmetic number, because the mean of its divisors is an integer number (9323684).

Almost surely, 2^84213808 is an apocalyptic number.

It is an amenable number.

84213808 is an abundant number, since it is smaller than the sum of its proper divisors (102259872).

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

84213808 is a wasteful number, since it uses less digits than its factorization.

84213808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751924 (or 751918 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 84213808 is about 9176.8081597035. The cubic root of 84213808 is about 438.3231770390.

The spelling of 84213808 in words is "eighty-four million, two hundred thirteen thousand, eight hundred eight".