3990366607 has 2 divisors, whose sum is σ = 3990366608. Its totient is φ = 3990366606.

The previous prime is 3990366581. The next prime is 3990366617. The reversal of 3990366607 is 7066630993.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3990366607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3990366617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995183303 + 1995183304.

It is an arithmetic number, because the mean of its divisors is an integer number (1995183304).

Almost surely, 2^3990366607 is an apocalyptic number.

3990366607 is a deficient number, since it is larger than the sum of its proper divisors (1).

3990366607 is an equidigital number, since it uses as much as digits as its factorization.

3990366607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 3990366607 is about 63169.3486352361. The cubic root of 3990366607 is about 1586.1256893987.

The spelling of 3990366607 in words is "three billion, nine hundred ninety million, three hundred sixty-six thousand, six hundred seven".