84471288 has 32 divisors (see below), whose sum is σ = 230376960. Its totient is φ = 25597280.

The previous prime is 84471271. The next prime is 84471301. The reversal of 84471288 is 88217448.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 159720 + ... + 160247.

It is an arithmetic number, because the mean of its divisors is an integer number (7199280).

Almost surely, 2^84471288 is an apocalyptic number.

84471288 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

84471288 is an abundant number, since it is smaller than the sum of its proper divisors (145905672).

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

84471288 is a wasteful number, since it uses less digits than its factorization.

84471288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319987 (or 319983 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 84471288 is about 9190.8262958235. The cubic root of 84471288 is about 438.7694404581.

The spelling of 84471288 in words is "eighty-four million, four hundred seventy-one thousand, two hundred eighty-eight".