4086344891 has 8 divisors (see below), whose sum is σ = 4164398784. Its totient is φ = 4008326400.

The previous prime is 4086344881. The next prime is 4086344903. The reversal of 4086344891 is 1984436804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4086344891 - 2¹⁸ = 4086082747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4086344831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416555 + ... + 426251.

It is an arithmetic number, because the mean of its divisors is an integer number (520549848).

Almost surely, 2^4086344891 is an apocalyptic number.

4086344891 is a deficient number, since it is larger than the sum of its proper divisors (78053893).

4086344891 is an equidigital number, since it uses as much as digits as its factorization.

4086344891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17701.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 4086344891 is about 63924.5249571712. The cubic root of 4086344891 is about 1598.7418352467.

The spelling of 4086344891 in words is "four billion, eighty-six million, three hundred forty-four thousand, eight hundred ninety-one".