86491254 has 16 divisors (see below), whose sum is σ = 175173120. Its totient is φ = 28465320.

The previous prime is 86491243. The next prime is 86491259. The reversal of 86491254 is 45219468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86491259) 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 7 ways as a sum of consecutive naturals, for example, 90762 + ... + 91709.

It is an arithmetic number, because the mean of its divisors is an integer number (10948320).

Almost surely, 2^86491254 is an apocalyptic number.

86491254 is an abundant number, since it is smaller than the sum of its proper divisors (88681866).

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

86491254 is a wasteful number, since it uses less digits than its factorization.

86491254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182555.

The product of its digits is 69120, while the sum is 39.

The square root of 86491254 is about 9300.0674191105. The cubic root of 86491254 is about 442.2393651717.

The spelling of 86491254 in words is "eighty-six million, four hundred ninety-one thousand, two hundred fifty-four".