3989396 has 24 divisors (see below), whose sum is σ = 7373184. Its totient is φ = 1884960.

The previous prime is 3989393. The next prime is 3989413. The reversal of 3989396 is 6939893.

It is a self number, because there is not a number n which added to its sum of digits gives 3989396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9266 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (307216).

Almost surely, 2^3989396 is an apocalyptic number.

It is an amenable number.

3989396 is a deficient number, since it is larger than the sum of its proper divisors (3383788).

3989396 is a wasteful number, since it uses less digits than its factorization.

3989396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 3989396 is about 1997.3472407170. The cubic root of 3989396 is about 158.5997077194.

The spelling of 3989396 in words is "three million, nine hundred eighty-nine thousand, three hundred ninety-six".