3899039 has 4 divisors (see below), whose sum is σ = 3934920. Its totient is φ = 3863160.

The previous prime is 3899033. The next prime is 3899053. The reversal of 3899039 is 9309983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3899039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3898987 and 3899005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17777 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (983730).

Almost surely, 2^3899039 is an apocalyptic number.

3899039 is a deficient number, since it is larger than the sum of its proper divisors (35881).

3899039 is a wasteful number, since it uses less digits than its factorization.

3899039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35880.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 3899039 is about 1974.5984401898. The cubic root of 3899039 is about 157.3931617759.

The spelling of 3899039 in words is "three million, eight hundred ninety-nine thousand, thirty-nine".