3989000 has 32 divisors (see below), whose sum is σ = 9336600. Its totient is φ = 1595200.

The previous prime is 3988991. The next prime is 3989003. The reversal of 3989000 is 9893.

3989000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1119364 + 2869636 = 1058^2 + 1694^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3989003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 2994.

Almost surely, 2^3989000 is an apocalyptic number.

It is an amenable number.

3989000 is an abundant number, since it is smaller than the sum of its proper divisors (5347600).

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

3989000 is a wasteful number, since it uses less digits than its factorization.

3989000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 3989000 is about 1997.2481067709. The cubic root of 3989000 is about 158.5944598438.

The spelling of 3989000 in words is "three million, nine hundred eighty-nine thousand".