86243476 has 48 divisors (see below), whose sum is σ = 168723072. Its totient is φ = 38565120.

The previous prime is 86243393. The next prime is 86243483. The reversal of 86243476 is 67434268.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 516345 + ... + 516511.

It is an arithmetic number, because the mean of its divisors is an integer number (3515064).

Almost surely, 2^86243476 is an apocalyptic number.

It is an amenable number.

86243476 is a deficient number, since it is larger than the sum of its proper divisors (82479596).

86243476 is a wasteful number, since it uses less digits than its factorization.

86243476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 277 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 86243476 is about 9286.7365635082. The cubic root of 86243476 is about 441.8166558024.

It can be divided in two parts, 8624 and 3476, that added together give a square (12100 = 110²).

The spelling of 86243476 in words is "eighty-six million, two hundred forty-three thousand, four hundred seventy-six".