3989998011 has 8 divisors (see below), whose sum is σ = 5392874320. Its totient is φ = 2623560192.

The previous prime is 3989997923. The next prime is 3989998027. The reversal of 3989998011 is 1108999893.

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

It is not a de Polignac number, because 3989998011 - 2²¹ = 3987900859 is a prime.

It is a super-2 number, since 2×3989998011² = 31840168255567912242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989998091) 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 7 ways as a sum of consecutive naturals, for example, 9109366 + ... + 9109803.

It is an arithmetic number, because the mean of its divisors is an integer number (674109290).

Almost surely, 2^3989998011 is an apocalyptic number.

3989998011 is a deficient number, since it is larger than the sum of its proper divisors (1402876309).

3989998011 is a wasteful number, since it uses less digits than its factorization.

3989998011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18219245.

The product of its (nonzero) digits is 1259712, while the sum is 57.

The square root of 3989998011 is about 63166.4310452949. The cubic root of 3989998011 is about 1586.0768503116.

The spelling of 3989998011 in words is "three billion, nine hundred eighty-nine million, nine hundred ninety-eight thousand, eleven".