3989771700 has 36 divisors (see below), whose sum is σ = 11543740320. Its totient is φ = 1063939040.

The previous prime is 3989771671. The next prime is 3989771713. The reversal of 3989771700 is 71779893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6649320 + ... + 6649919.

Almost surely, 2^3989771700 is an apocalyptic number.

3989771700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3989771700 is an abundant number, since it is smaller than the sum of its proper divisors (7553968620).

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

3989771700 is a wasteful number, since it uses less digits than its factorization.

3989771700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299256 (or 13299249 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 51.

The square root of 3989771700 is about 63164.6396332632. The cubic root of 3989771700 is about 1586.0468625418.

The spelling of 3989771700 in words is "three billion, nine hundred eighty-nine million, seven hundred seventy-one thousand, seven hundred".