84171488 has 24 divisors (see below), whose sum is σ = 175461552. Its totient is φ = 39609856.

The previous prime is 84171457. The next prime is 84171491. The reversal of 84171488 is 88417148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76820 + ... + 77907.

It is an arithmetic number, because the mean of its divisors is an integer number (7310898).

Almost surely, 2^84171488 is an apocalyptic number.

It is an amenable number.

84171488 is an abundant number, since it is smaller than the sum of its proper divisors (91290064).

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

84171488 is a wasteful number, since it uses less digits than its factorization.

84171488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154754 (or 154746 counting only the distinct ones).

The product of its digits is 57344, while the sum is 41.

The square root of 84171488 is about 9174.5020573326. The cubic root of 84171488 is about 438.2497411602.

The spelling of 84171488 in words is "eighty-four million, one hundred seventy-one thousand, four hundred eighty-eight".