3989633 has 4 divisors (see below), whose sum is σ = 3993648. Its totient is φ = 3985620.

The previous prime is 3989593. The next prime is 3989641. The reversal of 3989633 is 3369893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3989633 - 2⁶ = 3989569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3989653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (998412).

Almost surely, 2^3989633 is an apocalyptic number.

It is an amenable number.

3989633 is a deficient number, since it is larger than the sum of its proper divisors (4015).

3989633 is a wasteful number, since it uses less digits than its factorization.

3989633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014.

The product of its digits is 104976, while the sum is 41.

The square root of 3989633 is about 1997.4065685283. The cubic root of 3989633 is about 158.6028483274.

The spelling of 3989633 in words is "three million, nine hundred eighty-nine thousand, six hundred thirty-three".