86040481 has 4 divisors (see below), whose sum is σ = 86296132. Its totient is φ = 85784832.

The previous prime is 86040431. The next prime is 86040511. The reversal of 86040481 is 18404068.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 28037025 = 7616^2 + 5295^2 .

It is a cyclic number.

It is not a de Polignac number, because 86040481 - 2⁹ = 86039969 is a prime.

It is a super-2 number, since 2×86040481² = 14805928741422722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86040421) 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, 127320 + ... + 127993.

It is an arithmetic number, because the mean of its divisors is an integer number (21574033).

Almost surely, 2^86040481 is an apocalyptic number.

It is an amenable number.

86040481 is a deficient number, since it is larger than the sum of its proper divisors (255651).

86040481 is a wasteful number, since it uses less digits than its factorization.

86040481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255650.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 86040481 is about 9275.8008279609. The cubic root of 86040481 is about 441.4697424869.

The spelling of 86040481 in words is "eighty-six million, forty thousand, four hundred eighty-one".