4085398814 has 12 divisors (see below), whose sum is σ = 7128604224. Its totient is φ = 1750885164.

The previous prime is 4085398799. The next prime is 4085398831. The reversal of 4085398814 is 4188935804.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20843774 + ... + 20843969.

It is an arithmetic number, because the mean of its divisors is an integer number (594050352).

Almost surely, 2^4085398814 is an apocalyptic number.

4085398814 is a deficient number, since it is larger than the sum of its proper divisors (3043205410).

4085398814 is a wasteful number, since it uses less digits than its factorization.

4085398814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41687759 (or 41687752 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The square root of 4085398814 is about 63917.1245755001. The cubic root of 4085398814 is about 1598.6184446484.

The spelling of 4085398814 in words is "four billion, eighty-five million, three hundred ninety-eight thousand, eight hundred fourteen".