84481284 has 24 divisors (see below), whose sum is σ = 197765568. Its totient is φ = 28068640.

The previous prime is 84481273. The next prime is 84481291. The reversal of 84481284 is 48218448.

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, 7587 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (8240232).

Almost surely, 2^84481284 is an apocalyptic number.

It is an amenable number.

84481284 is an abundant number, since it is smaller than the sum of its proper divisors (113284284).

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

84481284 is a wasteful number, since it uses less digits than its factorization.

84481284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22955 (or 22953 counting only the distinct ones).

The product of its digits is 65536, while the sum is 39.

The square root of 84481284 is about 9191.3700828549. The cubic root of 84481284 is about 438.7867471921.

It can be divided in two parts, 844 and 81284, that added together give a palindrome (82128).

The spelling of 84481284 in words is "eighty-four million, four hundred eighty-one thousand, two hundred eighty-four".