86490586 has 48 divisors (see below), whose sum is σ = 168202440. Its totient is φ = 33022080.

The previous prime is 86490583. The next prime is 86490623. The reversal of 86490586 is 68509468.

It can be written as a sum of positive squares in 4 ways, for example, as 66732561 + 19758025 = 8169^2 + 4445^2 .

It is not an unprimeable number, because it can be changed into a prime (86490581) 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 23 ways as a sum of consecutive naturals, for example, 35776 + ... + 38116.

Almost surely, 2^86490586 is an apocalyptic number.

86490586 is a deficient number, since it is larger than the sum of its proper divisors (81711854).

86490586 is a wasteful number, since it uses less digits than its factorization.

86490586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 86490586 is about 9300.0315053230. The cubic root of 86490586 is about 442.2382266494.

The spelling of 86490586 in words is "eighty-six million, four hundred ninety thousand, five hundred eighty-six".