86438484 has 36 divisors (see below), whose sum is σ = 238361760. Its totient is φ = 26193360.

The previous prime is 86438483. The next prime is 86438503. The reversal of 86438484 is 48483468.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×86438484² = 14943223032436512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86438483) 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 11 ways as a sum of consecutive naturals, for example, 108744 + ... + 109535.

It is an arithmetic number, because the mean of its divisors is an integer number (6621160).

Almost surely, 2^86438484 is an apocalyptic number.

It is an amenable number.

86438484 is an abundant number, since it is smaller than the sum of its proper divisors (151923276).

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

86438484 is a wasteful number, since it uses less digits than its factorization.

86438484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218300 (or 218295 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 86438484 is about 9297.2299100323. The cubic root of 86438484 is about 442.1494072552.

It can be divided in two parts, 864384 and 84, that added together give a palindrome (864468).

The spelling of 86438484 in words is "eighty-six million, four hundred thirty-eight thousand, four hundred eighty-four".