86381234 has 8 divisors (see below), whose sum is σ = 129783708. Its totient is φ = 43120000.

The previous prime is 86381189. The next prime is 86381237. The reversal of 86381234 is 43218368.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85507009 + 874225 = 9247^2 + 935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86381194 and 86381203.

It is not an unprimeable number, because it can be changed into a prime (86381237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33767 + ... + 36234.

Almost surely, 2^86381234 is an apocalyptic number.

86381234 is a deficient number, since it is larger than the sum of its proper divisors (43402474).

86381234 is a wasteful number, since it uses less digits than its factorization.

86381234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70620.

The product of its digits is 27648, while the sum is 35.

The square root of 86381234 is about 9294.1505260029. The cubic root of 86381234 is about 442.0517707901.

The spelling of 86381234 in words is "eighty-six million, three hundred eighty-one thousand, two hundred thirty-four".