3989937 has 8 divisors (see below), whose sum is σ = 6079936. Its totient is φ = 2279952.

The previous prime is 3989929. The next prime is 3989941. The reversal of 3989937 is 7399893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3989937 - 2³ = 3989929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989957) 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, 94978 + ... + 95019.

It is an arithmetic number, because the mean of its divisors is an integer number (759992).

Almost surely, 2^3989937 is an apocalyptic number.

It is an amenable number.

3989937 is a deficient number, since it is larger than the sum of its proper divisors (2089999).

3989937 is a wasteful number, since it uses less digits than its factorization.

3989937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190007.

The product of its digits is 367416, while the sum is 48.

The square root of 3989937 is about 1997.4826657571. The cubic root of 3989937 is about 158.6068766045.

The spelling of 3989937 in words is "three million, nine hundred eighty-nine thousand, nine hundred thirty-seven".