3930047 has 8 divisors (see below), whose sum is σ = 4358352. Its totient is φ = 3513600.

The previous prime is 3930037. The next prime is 3930061. The reversal of 3930047 is 7400393.

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

It is not a de Polignac number, because 3930047 - 2²⁰ = 2881471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3929998 and 3930025.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (544794).

Almost surely, 2^3930047 is an apocalyptic number.

3930047 is a deficient number, since it is larger than the sum of its proper divisors (428305).

3930047 is a wasteful number, since it uses less digits than its factorization.

3930047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3930047 is about 1982.4346143064. The cubic root of 3930047 is about 157.8092956314.

The spelling of 3930047 in words is "three million, nine hundred thirty thousand, forty-seven".