3939039 has 24 divisors (see below), whose sum is σ = 6198192. Its totient is φ = 2396160.

The previous prime is 3939031. The next prime is 3939043. The reversal of 3939039 is 9309393.

It is not a de Polignac number, because 3939039 - 2³ = 3939031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3938994 and 3939012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15199 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (258258).

Almost surely, 2^3939039 is an apocalyptic number.

3939039 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3939039 is a deficient number, since it is larger than the sum of its proper divisors (2259153).

3939039 is a wasteful number, since it uses less digits than its factorization.

3939039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The square root of 3939039 is about 1984.7012369624. The cubic root of 3939039 is about 157.9295605471.

The spelling of 3939039 in words is "three million, nine hundred thirty-nine thousand, thirty-nine".