3992085899 has 4 divisors (see below), whose sum is σ = 3992453136. Its totient is φ = 3991718664.

The previous prime is 3992085887. The next prime is 3992085917. The reversal of 3992085899 is 9985802993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3992085899 - 2⁴ = 3992085883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992085829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166799 + ... + 189224.

It is an arithmetic number, because the mean of its divisors is an integer number (998113284).

Almost surely, 2^3992085899 is an apocalyptic number.

3992085899 is a deficient number, since it is larger than the sum of its proper divisors (367237).

3992085899 is a wasteful number, since it uses less digits than its factorization.

3992085899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367236.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The square root of 3992085899 is about 63182.9557634019. The cubic root of 3992085899 is about 1586.3534564116.

The spelling of 3992085899 in words is "three billion, nine hundred ninety-two million, eighty-five thousand, eight hundred ninety-nine".