86441331 has 16 divisors (see below), whose sum is σ = 117492480. Its totient is φ = 56514720.

The previous prime is 86441297. The next prime is 86441351. The reversal of 86441331 is 13314468.

It is a de Polignac number, because none of the positive numbers 2^k-86441331 is a prime.

It is a super-2 number, since 2×86441331² = 14944207410103122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86441351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102610 + ... + 103448.

It is an arithmetic number, because the mean of its divisors is an integer number (7343280).

Almost surely, 2^86441331 is an apocalyptic number.

86441331 is a deficient number, since it is larger than the sum of its proper divisors (31051149).

86441331 is a wasteful number, since it uses less digits than its factorization.

86441331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its digits is 6912, while the sum is 30.

The square root of 86441331 is about 9297.3830188930. The cubic root of 86441331 is about 442.1542615187.

Adding to 86441331 its reverse (13314468), we get a palindrome (99755799).

It can be divided in two parts, 864 and 41331, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 86441331 in words is "eighty-six million, four hundred forty-one thousand, three hundred thirty-one".