3990011 has 2 divisors, whose sum is σ = 3990012. Its totient is φ = 3990010.

The previous prime is 3990001. The next prime is 3990029. The reversal of 3990011 is 1100993.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3990011 is a prime.

It is a Chen prime.

It is equal to p₂₈₂₅₀₆ and since 3990011 and 282506 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3990001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995005 + 1995006.

It is an arithmetic number, because the mean of its divisors is an integer number (1995006).

Almost surely, 2^3990011 is an apocalyptic number.

3990011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3990011 is an equidigital number, since it uses as much as digits as its factorization.

3990011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 3990011 is about 1997.5011889859. The cubic root of 3990011 is about 158.6078571409.

The spelling of 3990011 in words is "three million, nine hundred ninety thousand, eleven".