3930039 has 18 divisors (see below), whose sum is σ = 5904600. Its totient is φ = 2615652.

The previous prime is 3930037. The next prime is 3930061. The reversal of 3930039 is 9300393.

It is not a de Polignac number, because 3930039 - 2¹ = 3930037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 3929994 and 3930021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930037) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6262 + ... + 6860.

Almost surely, 2^3930039 is an apocalyptic number.

3930039 is a deficient number, since it is larger than the sum of its proper divisors (1974561).

3930039 is an frugal number, since it uses more digits than its factorization.

3930039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 3930039 is about 1982.4325965843. The cubic root of 3930039 is about 157.8091885525.

The spelling of 3930039 in words is "three million, nine hundred thirty thousand, thirty-nine".