86436434 has 16 divisors (see below), whose sum is σ = 155976000. Its totient is φ = 35094384.

The previous prime is 86436433. The next prime is 86436457. The reversal of 86436434 is 43463468.

It is a super-3 number, since 3×86436434³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (86436433) 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 7 ways as a sum of consecutive naturals, for example, 162209 + ... + 162740.

It is an arithmetic number, because the mean of its divisors is an integer number (9748500).

Almost surely, 2^86436434 is an apocalyptic number.

86436434 is a deficient number, since it is larger than the sum of its proper divisors (69539566).

86436434 is a wasteful number, since it uses less digits than its factorization.

86436434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324977.

The product of its digits is 165888, while the sum is 38.

The square root of 86436434 is about 9297.1196614866. The cubic root of 86436434 is about 442.1459118466.

The spelling of 86436434 in words is "eighty-six million, four hundred thirty-six thousand, four hundred thirty-four".