3930085 has 4 divisors (see below), whose sum is σ = 4716108. Its totient is φ = 3144064.

The previous prime is 3930061. The next prime is 3930139. The reversal of 3930085 is 5800393.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 3448449 = 694^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 3930085 - 2⁷ = 3929957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 393004 + ... + 393013.

It is an arithmetic number, because the mean of its divisors is an integer number (1179027).

Almost surely, 2^3930085 is an apocalyptic number.

It is an amenable number.

3930085 is a deficient number, since it is larger than the sum of its proper divisors (786023).

3930085 is an equidigital number, since it uses as much as digits as its factorization.

3930085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786022.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3930085 is about 1982.4441984581. Note that the first 3 decimals coincide. The cubic root of 3930085 is about 157.8098042542.

The spelling of 3930085 in words is "three million, nine hundred thirty thousand, eighty-five".