84808220 has 36 divisors (see below), whose sum is σ = 207176760. Its totient is φ = 29076768.

The previous prime is 84808183. The next prime is 84808237. The reversal of 84808220 is 2280848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42290 + ... + 44249.

It is an arithmetic number, because the mean of its divisors is an integer number (5754910).

Almost surely, 2^84808220 is an apocalyptic number.

It is an amenable number.

84808220 is an abundant number, since it is smaller than the sum of its proper divisors (122368540).

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

84808220 is a wasteful number, since it uses less digits than its factorization.

84808220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86562 (or 86553 counting only the distinct ones).

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

The square root of 84808220 is about 9209.1378532412. The cubic root of 84808220 is about 439.3520421330.

The spelling of 84808220 in words is "eighty-four million, eight hundred eight thousand, two hundred twenty".