86495540 has 24 divisors (see below), whose sum is σ = 183685320. Its totient is φ = 34208768.

The previous prime is 86495531. The next prime is 86495567. The reversal of 86495540 is 4559468.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3794704 + 82700836 = 1948^2 + 9094^2 .

It is a congruent number.

It is an unprimeable number.

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, 22517 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (7653555).

Almost surely, 2^86495540 is an apocalyptic number.

It is an amenable number.

86495540 is an abundant number, since it is smaller than the sum of its proper divisors (97189780).

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

86495540 is a wasteful number, since it uses less digits than its factorization.

86495540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48691 (or 48689 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 86495540 is about 9300.2978446929. The cubic root of 86495540 is about 442.2466699820.

The spelling of 86495540 in words is "eighty-six million, four hundred ninety-five thousand, five hundred forty".