3989106 has 24 divisors (see below), whose sum is σ = 9429264. Its totient is φ = 1208760.

The previous prime is 3989093. The next prime is 3989119. The reversal of 3989106 is 6019893.

It is an interprime number because it is at equal distance from previous prime (3989093) and next prime (3989119).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9876 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (392886).

Almost surely, 2^3989106 is an apocalyptic number.

3989106 is an abundant number, since it is smaller than the sum of its proper divisors (5440158).

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

3989106 is a wasteful number, since it uses less digits than its factorization.

3989106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166 (or 20163 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3989106 is about 1997.2746431075. The cubic root of 3989106 is about 158.5958646122.

It can be divided in two parts, 3989 and 106, that added together give a triangular number (4095 = T₉₀).

The spelling of 3989106 in words is "three million, nine hundred eighty-nine thousand, one hundred six".