3989038 has 4 divisors (see below), whose sum is σ = 5983560. Its totient is φ = 1994518.

The previous prime is 3989023. The next prime is 3989039. The reversal of 3989038 is 8309893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8309893 = 97 ⋅85669.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997258 + ... + 997261.

It is an arithmetic number, because the mean of its divisors is an integer number (1495890).

Almost surely, 2^3989038 is an apocalyptic number.

3989038 is a deficient number, since it is larger than the sum of its proper divisors (1994522).

3989038 is a wasteful number, since it uses less digits than its factorization.

3989038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994521.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 3989038 is about 1997.2576198378. The cubic root of 3989038 is about 158.5949634429.

The spelling of 3989038 in words is "three million, nine hundred eighty-nine thousand, thirty-eight".