86471224 has 16 divisors (see below), whose sum is σ = 185295600. Its totient is φ = 37059072.

The previous prime is 86471219. The next prime is 86471227. The reversal of 86471224 is 42217468.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86471224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86471227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772009 + ... + 772120.

It is an arithmetic number, because the mean of its divisors is an integer number (11580975).

Almost surely, 2^86471224 is an apocalyptic number.

It is an amenable number.

86471224 is an abundant number, since it is smaller than the sum of its proper divisors (98824376).

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

86471224 is a wasteful number, since it uses less digits than its factorization.

86471224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544142 (or 1544138 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 86471224 is about 9298.9904828427. The cubic root of 86471224 is about 442.2052239996.

The spelling of 86471224 in words is "eighty-six million, four hundred seventy-one thousand, two hundred twenty-four".