4000699986 has 8 divisors (see below), whose sum is σ = 8001399984. Its totient is φ = 1333566660.

The previous prime is 4000699979. The next prime is 4000699987. The reversal of 4000699986 is 6899960004.

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

4000699986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4000699987) 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, 333391660 + ... + 333391671.

It is an arithmetic number, because the mean of its divisors is an integer number (1000174998).

Almost surely, 2^4000699986 is an apocalyptic number.

4000699986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4000699986 is a wasteful number, since it uses less digits than its factorization.

4000699986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666783336.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 4000699986 is about 63251.0868365121. The cubic root of 4000699986 is about 1587.4936431101.

It can be divided in two parts, 400069998 and 6, that added together give a palindrome (400070004).

The spelling of 4000699986 in words is "four billion, six hundred ninety-nine thousand, nine hundred eighty-six".