86229940 has 24 divisors (see below), whose sum is σ = 184501800. Its totient is φ = 33840768.

The previous prime is 86229937. The next prime is 86229971. The reversal of 86229940 is 4992268.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 85599504 = 794^2 + 9252^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 86229893 and 86229902.

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 7 ways as a sum of consecutive naturals, for example, 39615 + ... + 41734.

It is an arithmetic number, because the mean of its divisors is an integer number (7687575).

Almost surely, 2^86229940 is an apocalyptic number.

It is an amenable number.

86229940 is an abundant number, since it is smaller than the sum of its proper divisors (98271860).

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

86229940 is a wasteful number, since it uses less digits than its factorization.

86229940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81411 (or 81409 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 86229940 is about 9286.0077536043. The cubic root of 86229940 is about 441.7935400707.

The spelling of 86229940 in words is "eighty-six million, two hundred twenty-nine thousand, nine hundred forty".