86231461 has 4 divisors (see below), whose sum is σ = 86286924. Its totient is φ = 86176000.

The previous prime is 86231449. The next prime is 86231473. The reversal of 86231461 is 16413268.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86231449) and next prime (86231473).

It can be written as a sum of positive squares in 2 ways, for example, as 84070561 + 2160900 = 9169^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 86231461 - 2⁷ = 86231333 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86231161) 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 3 ways as a sum of consecutive naturals, for example, 25330 + ... + 28531.

It is an arithmetic number, because the mean of its divisors is an integer number (21571731).

Almost surely, 2^86231461 is an apocalyptic number.

It is an amenable number.

86231461 is a deficient number, since it is larger than the sum of its proper divisors (55463).

86231461 is a wasteful number, since it uses less digits than its factorization.

86231461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55462.

The product of its digits is 6912, while the sum is 31.

The square root of 86231461 is about 9286.0896506549. The cubic root of 86231461 is about 441.7961376373.

It can be divided in two parts, 862 and 31461, that added together give a palindrome (32323).

The spelling of 86231461 in words is "eighty-six million, two hundred thirty-one thousand, four hundred sixty-one".