3989229 has 16 divisors (see below), whose sum is σ = 5541312. Its totient is φ = 2550528.

The previous prime is 3989191. The next prime is 3989233. The reversal of 3989229 is 9229893.

It is not a de Polignac number, because 3989229 - 2⁹ = 3988717 is a prime.

It is a Curzon number.

3989229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8997 + ... + 9429.

It is an arithmetic number, because the mean of its divisors is an integer number (346332).

Almost surely, 2^3989229 is an apocalyptic number.

It is an amenable number.

3989229 is a deficient number, since it is larger than the sum of its proper divisors (1552083).

3989229 is a wasteful number, since it uses less digits than its factorization.

3989229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its digits is 69984, while the sum is 42.

The square root of 3989229 is about 1997.3054348296. The cubic root of 3989229 is about 158.5974946425.

The spelling of 3989229 in words is "three million, nine hundred eighty-nine thousand, two hundred twenty-nine".