84347808 has 48 divisors (see below), whose sum is σ = 231045696. Its totient is φ = 26892800.

The previous prime is 84347789. The next prime is 84347839. The reversal of 84347808 is 80874348.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×84347808² = 14229105428809728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84347808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16893 + ... + 21308.

It is an arithmetic number, because the mean of its divisors is an integer number (4813452).

Almost surely, 2^84347808 is an apocalyptic number.

It is an amenable number.

84347808 is an abundant number, since it is smaller than the sum of its proper divisors (146697888).

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

84347808 is a wasteful number, since it uses less digits than its factorization.

84347808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38237 (or 38229 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 84347808 is about 9184.1062711622. The cubic root of 84347808 is about 438.5555386974. Note that the first 4 decimals are identical.

The spelling of 84347808 in words is "eighty-four million, three hundred forty-seven thousand, eight hundred eight".