3998804607 has 54 divisors (see below), whose sum is σ = 6847656504. Its totient is φ = 2202716160.

The previous prime is 3998804599. The next prime is 3998804609. The reversal of 3998804607 is 7064088993.

It is not a de Polignac number, because 3998804607 - 2³ = 3998804599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998804609) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 15559423 + ... + 15559679.

Almost surely, 2^3998804607 is an apocalyptic number.

3998804607 is a deficient number, since it is larger than the sum of its proper divisors (2848851897).

3998804607 is an equidigital number, since it uses as much as digits as its factorization.

3998804607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 3998804607 is about 63236.1020857548. The cubic root of 3998804607 is about 1587.2429055377.

The spelling of 3998804607 in words is "three billion, nine hundred ninety-eight million, eight hundred four thousand, six hundred seven".