86140404 has 36 divisors (see below), whose sum is σ = 248850784. Its totient is φ = 24611472.

The previous prime is 86140399. The next prime is 86140409. The reversal of 86140404 is 40404168.

86140404 is a `hidden beast` number, since 8 + 614 + 0 + 40 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (86140399) and next prime (86140409).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86140409) 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 11 ways as a sum of consecutive naturals, for example, 170662 + ... + 171165.

Almost surely, 2^86140404 is an apocalyptic number.

86140404 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86140404 is an abundant number, since it is smaller than the sum of its proper divisors (162710380).

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

86140404 is a wasteful number, since it uses less digits than its factorization.

86140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341844 (or 341839 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 86140404 is about 9281.1854846243. The cubic root of 86140404 is about 441.6405764739.

The spelling of 86140404 in words is "eighty-six million, one hundred forty thousand, four hundred four".