3930071 has 4 divisors (see below), whose sum is σ = 4021512. Its totient is φ = 3838632.

The previous prime is 3930061. The next prime is 3930139. The reversal of 3930071 is 1700393.

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

It is a cyclic number.

It is not a de Polignac number, because 3930071 - 2¹⁰ = 3929047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45656 + ... + 45741.

It is an arithmetic number, because the mean of its divisors is an integer number (1005378).

Almost surely, 2^3930071 is an apocalyptic number.

3930071 is a deficient number, since it is larger than the sum of its proper divisors (91441).

3930071 is an equidigital number, since it uses as much as digits as its factorization.

3930071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91440.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 3930071 is about 1982.4406674602. The cubic root of 3930071 is about 157.8096168672.

The spelling of 3930071 in words is "three million, nine hundred thirty thousand, seventy-one".